Market traders watched Intercept's recent clinical trial with anticipation. Unfortunately, the results fell short and ICPT stock is tanking. ICPT stock investors are concerned abou...Linear Equations. Y Intercept. Y-Intercept of A Line. How the equation of a line relates to the graph of its y-intercept. The Y-Intercept of a line is the point …Use the slope that we found, together with ANY of the two given points. In this exercise, I will show you that we should arrive at the same value of the [latex]y[/latex]-intercept regardless of which point is selected for the calculation. Finding the [latex]y[/latex]-intercept. Using the first point [latex]\left( {4,\,5} \right)[/latex].The Point-Slope Form. Given the slope and one point on a line, we can find the equation of the line using point-slope form. y − y1 = m(x − x1) This is an important formula, as it will be used in other areas of College Algebra and often in …the point (1, 2). Here, whilst we know the gradient, we do not know the value of the y-intercept c. We start with the general equation of a straight line y ...Solution. Find the y-intercept with 2 points: Let ( x 1, y 1) and ( x 2, y 2) be the two given points. Slope of the line passing through the given points is: m = y 2 - y 1 x 2 - x 1. The equation of a line in slope-intercept form is: y = m x + c. Here, m is the slope of the line and c is the y-intercept. Now, substitute the two points in m = y ...Learn how to find the slope and y-intercept of a linear equation by rewriting it in slope-intercept form. See examples of different equations and how to identify …Finding the y-intercept of a line given 2 points and using the slope intercept form.If you have two points on a line, then you can also find the slope-intercept form. The first step to do this is to find the slope using the slope formula we showed above. m = (y 2 – y 1) (x 2 – x 1) Substitute the coordinates (x1, y1) and (x2, y2) for the two points in the slope formula, then solve for m.To summarize, any linear equation can be graphed by finding two points and connecting them with a line drawn with a straightedge. Two important and useful points are the \(x\)- and \(y\)-intercepts; find these points by substituting \(y = 0\) and \(x = 0\), respectively. This method for finding intercepts will be used throughout our study of ...AboutTranscript. Given a graph of a line, we can write a linear function in the form y=mx+b by identifying the slope (m) and y-intercept (b) in the graph. GIven a graph of an exponential curve, we can write an exponential function in the form y=ab^x by identifying the common ratio (b) and y-intercept (a) in the graph. Created by Sal Khan.It's said that two points determine a line. That truism is used to quickly sketch a line if its equation is given in the Two Intercept-Form ax + by = c. X and Y-intercept is the distance on the axis from the origin where a line or a curve cuts the coordinate axis of the graph. When a line or curve cuts the x-axis at a point, the distance of this point from the origin is called x-intercept and when that line or curve cuts the y-axis at a point, the distance of this point from the origin is called the y-intercept. A coordinate plane. The x- and y-axes both scale by one. The graph is the function x squared minus x minus six. The function is a parabola that opens up. The vertex of the function is plotted at the point zero point five, negative six point two-five. The x-intercepts are also plotted at negative two, zero and three, zero.Graph a Line Using the Intercepts. To graph a linear equation by plotting points, you need to find three points whose coordinates are solutions to the equation. You can use the x - and y - intercepts as two of your three points. Find the intercepts, and then find a third point to ensure accuracy. Make sure the points line up—then draw the line.Find the equation of the line that is: parallel to y = 2x + 1; and passes though the point (5,4) The slope of y = 2x + 1 is 2. The parallel line needs to have the same slope of 2. We can solve it by using the "point-slope" equation of a line: y − y 1 = 2(x − x 1) And then put in the point (5,4): y − 4 = 2(x − 5) That is an answer!To find the y-intercept using two points, we first need to calculate the slope (m). Consider two points on the line, for example, (3, 5) and (6, 11). The slope is calculated using the formula: For the points (3, 5) and (6, 11), the slope m is calculated as: Once the slope is determined, the next step is to find the y-intercept, b.A vertex is a corner, where two lines meet. A straight line by itself doesn't have a vertex. The easiest way to find the x intercept is to figure out what value x will have when y = 0. So if you have an equation of a line: 2y + 4x = 28. you substitue "0" in …Note that these two lines are in slope-intercept form. These two lines look this way: Now, where the two lines cross is called their point of intersection. Certainly this point has (x, y) coordinates. It is the same point for Line 1 and for Line 2. So, at the point of intersection the (x, y) coordinates for Line 1 equal the (x, y) coordinates ...How the equation of a line relates to the graph of its y-intercept. The Y-Intercept of a line is the point where a line 's graph intersects (crosses) the Y-axis. A y-intercept of 3 means that a line's graph intersects the Y-axis at the point (0, 3). A y-intercept of -4 means that the graph of a line crosses the Y-axis at the point (0, -4). Step 1: Note down the coordinates of the two points lying on the line as (x 1 1, y 1 1) and (x 2 2, y 2 2 ). Step 2: Apply the two point formula given as, y −y1 y − y 1 = y2−y1 x2−x1 (x− x1) y 2 − y 1 x 2 − x 1 ( x − x 1). Step 3: Simplify the obtained equation to the form, y = mx + b to represent the line. David Severin. 7 years ago. All you need is to find the y intercept. With the slope intercept formula, y=mx+b, every point works, so we can plug in point and slope. - 3 = 3 (3)+b. -3 = 9 + b subtract 0 on both sides to find b. -12 = …The term "intercept" refers to the x- and y-intercepts of of a given equation. The x-intercept is the point at which a line crosses the x-axis and the y-intercept is the point at which a line crosses the y-axis. The figure below shows an example of an x-intercept (green dot) and a y-intercept (red dot).Choose two points on the line. Any two points will work. Whole numbers make the working easier. ... Find the \(y\)-intercept of the line. The value where the line crosses the \(y\)-axis is 1.One way to plot a line is to plot any two points that are on the line, and for an equation in standard from like this one, two easy points to find at the x and y intercepts--the values where x=0 and y=0. To find the x intercept, plug y=0 into 6x-6y=-6 and you get 6x-6 (0)=-6 which simplifies to 6x=-6 or x=-1. To find the x-intercept we generally just use the same formula 'y=mx+b'. The reason that 'b' is the y-intercept is because at the 'y-axis, x=0'. By this I mean if you look at any graph, for the point a line touches the y-axis, the x-value of a coordinate is always = 0. Knowing this, if you substitute 0 in for x in the formula you get: Free Equation of a line given Points Calculator - find the equation of a line given two points step-by-step.Algebra. Graph y=2x-3. y = 2x − 3 y = 2 x - 3. Use the slope-intercept form to find the slope and y-intercept. Tap for more steps... Slope: 2 2. y-intercept: (0,−3) ( 0, - 3) Any line can be graphed using two points. Select two x x values, and plug them into the equation to find the corresponding y y values.Finding the y-intercept of a parabola can be tricky. Although the y-intercept is hidden, it does exist. Use the equation of the function to find the y-intercept. y = 12x 2 + 48x + 49 The y-intercept has two parts: the x-value and the y-value. Note that the x-value is always zero. So, plug in zero for x and solve for y:The y-intercepts are points where the graph of a function or an equation crosses or “touches” the [latex]y [/latex]-axis of the Cartesian Plane. You may think of this as …So, we need to calculate it. Remember, "b" in the form: "y=mx+b" is the y-intercept. We're going to use this formula ... There are 3 steps to find the Equation of the Straight Line: 1. Find the slope of the line; 2. Put the slope and one point into the "Point-Slope Formula" 3. Simplify; Step 1: Find the Slope (or Gradient) from 2 Points. What is the slope (or gradient) of this line? We know two points: point "A" is (6,4) (at x is 6, y is 4) point "B" is (2,3) (at ... A quadratic function is a polynomial function of degree two. The graph of a quadratic function is a parabola. The general form of a quadratic function is f(x) = ax2 + bx + c where a, b, and c are real numbers and a ≠ 0. The standard form of a quadratic function is f(x) = a(x − h)2 + k where a ≠ 0.David Severin. 7 years ago. All you need is to find the y intercept. With the slope intercept formula, y=mx+b, every point works, so we can plug in point and slope. - 3 = 3 (3)+b. -3 = 9 + b subtract 0 on both sides to find b. -12 = …Step 1: Note down the coordinates of the two points lying on the line as (x 1 1, y 1 1) and (x 2 2, y 2 2 ). Step 2: Apply the two point formula given as, y−y1 y − y 1 = y2−y1 x2−x1 (x−x1) y 2 − y 1 x 2 − x 1 ( x − x 1). Step 3: Simplify the obtained equation to the form, y …Then, use the slope (3) to find a second point. Then use the T table; for example, if x = 1, then y = 5, which will give you the point (1,5). Plot this point and draw a line through the two points to graph the equation. Real-Life Applications of Slope Intercept Form. One of the key applications of slope intercept form is in graphing linear ...David Severin. 7 years ago. All you need is to find the y intercept. With the slope intercept formula, y=mx+b, every point works, so we can plug in point and slope. - 3 = 3 (3)+b. -3 = 9 + b subtract 0 on both sides to find b. -12 = … The formula for finding slope from two points (x₁, y₁) and (x₂, y₂) on a line is m = (y₂ - y₁) / (x₂ - x₁). Here, m = slope of the line. x₁ = the x-coordinate of the first point. y₁ = the y-coordinate of the first point. x₂ = the x-coordinate of the second point. y₂ = the x-coordinate of the second point. We know that we ... Finding Intercepts From an Equation. X Intercept: where the graph of an equation crosses the x-axis. Y Intercept: where the graph of an equation crosses the y-axis. To find the intercepts: When you want the x intercepts (x,0): Set y=0 then solve for x. When you want the y intercepts (0,y):Tornado chasers generally stay about a mile away from the tornado itself -- but not IMAX cinematographer Sean Casey. He has built a Tornado Intercept Vehicle and hopes to withstand...You can use intercepts to graph linear equations. Once you have found the two intercepts, draw a line through them. Let’s do it with the equation 3y+2x= 6 3 y + 2 x = 6. You figured out that the intercepts of the line this equation represents are (0,2) ( 0, 2) and (3,0) ( 3, 0). That’s all you need to know. f (x) Free y intercept calculator - find function's y-axis intercept step-by-step. Steps to find the equation of a line from two points: Find the slope using the slope formula. Slope = m = rise run = y 2 − y 1 x 2 − x 1. Point 1 or P 1 = ( x 1, y 1) Point 2 or P 2 = ( x 2, y 2) Use the slope and one of the points to solve for the y-intercept (b). One of your points can replace the x and y, and the slope you just ...Finding Intercepts From an Equation. X Intercept: where the graph of an equation crosses the x-axis. Y Intercept: where the graph of an equation crosses the y-axis. To find the intercepts: When you want the x intercepts (x,0): Set y=0 then solve for x. …Note that the expected value is a floating point number, but the actual result is an integer. A quick fix is to change your slope function to: def slope (x1, y1, x2, y2): x2 = (x2 - x1) y2 = (y2 - y1) m = (1.0*y2/x2) return m. Another fix would be to switch to Python 3, or add from __future__ import division to the top of your .py file.The y-intercept is the y-coordinate when x=0, and the x-intercept is the x-coordinate when y=0. The y-intercept is not in the table. Since the table represents a line, there's a constant rate of change of y with respect to x. So we can find that pattern and fill in skipped values from the table to find the y-intercept. Created by Sal Khan. Use the slope that we found, together with ANY of the two given points. In this exercise, I will show you that we should arrive at the same value of the [latex]y[/latex]-intercept regardless of which point is selected for the calculation. Finding the [latex]y[/latex]-intercept. Using the first point [latex]\left( {4,\,5} \right)[/latex]. Mar 1, 2015 · To find the y-intercept (b), you need to set x to one of the x values and y to one if the y values and solve: y=mx+b. b=y-mx. The function could look like this: m=getSlope(x1,y1,x2,y2) b=y1-m*x1. return b. The coordinates of the point would be (0,b), so you can return that instead if you want. Share. If x is 6, 1/2 x 6 is 3, -3 is indeed equal to 0. So now that we know what an x-intercept is, it's the point where a graph intersects the x-axis or intercepts ...Finding Intercepts From an Equation. X Intercept: where the graph of an equation crosses the x-axis. Y Intercept: where the graph of an equation crosses the y-axis. To find the intercepts: When you want the x intercepts (x,0): Set y=0 then solve for x. When you want the y intercepts (0,y):Use the slope that we found, together with ANY of the two given points. In this exercise, I will show you that we should arrive at the same value of the [latex]y[/latex]-intercept regardless of which point is selected for the calculation. Finding the [latex]y[/latex]-intercept. Using the first point [latex]\left( {4,\,5} \right)[/latex].Patriot missiles are designed to detect, target and then hit an incoming missile. How do the systems do that? Advertisement The MIM-104 Patriot (Phased Array Tracking Radar to Inte...It's said that two points determine a line. That truism is used to quickly sketch a line if its equation is given in the Two Intercept-Form ax + by = c.The quadratic function has the standard form y = ax 2 + bx + c. The y-intercept is always equal to the value of c. To find the y-intercept, we just have to substitute x = 0 in the equation and solve for y. Thus, the corresponding y-intercept will be y or (0, y). Example: y = x 2 – 2x – 3. Substitute x = 0 and solve for y. y=0 – 2 (0 ...The equation of a straight line is an linear equation in two variables (usually x and y) and is satisfied by every point on the line. i.e. it is a mathematical equation that gives the relation between the coordinate points lying on that straight line. It can be written in different forms and tells the slope, x-intercept, and y-intercept of the line. It also can be used to find …Jan 18, 2024 · Find the y-intercept of any line from its equation or two points using this calculator. Learn how to use the slope-intercept form and the general line equation to calculate the y-intercept and other intercepts. The y-intercept can be found by: Looking at the equation and calculating the y-intercept; Finding where the line crosses the y-axis; If the equation is given, then the exact y-intercept can be ...About. Transcript. Slope-intercept form (y=mx+b) of linear equations highlights the slope (m) and the y-intercept (b) of a line. Watch this video to learn more about it …Indices Commodities Currencies StocksAlgebra. Beginning Algebra. 3: Graphing Lines. 3.4: Graph Using the y-Intercept and Slope.Aug 7, 2013 ... An old video where Sal finds the y-intercept of the line y=17/13x+b given that the line passes through (5,8). Created by Sal Khan. QuestionsHello, I was wondering if there is an easy way to find the slope and intercept of a line using MATLAB, like how it is so easy with Excel where you just plot the data and add a trendline, so then it will tell you the slope and intercept. Here is my code. Theme. Copy. tau = [15, 38, 100, 300, 1200]; CA = [1.5 1.25 1 0.75 0.5];Jul 22, 2021 · Substituting the slope and y-intercept into the slope-intercept form of a line gives \[y=2x+4\] Given a graph of linear function, find the equation to describe the function. Identify the y-intercept of an equation. Choose two points to determine the slope. Substitute the y-intercept and slope into the slope-intercept form of a line. Finding y-intercept of linear equation with two points. If we were given two points on a linear equation (x1,y1), (x2,y2) ( x 1, y 1), ( x 2, y 2), it is quite easy to find the slope and use substitution to find the slope intercept form y = mx + b y = m x + b, to graph it.plot the point (8, 5 8/9) which is just below of (5,6) and then draw a line through the two points. The other method you can use is to plot the y-intercept. The equation y=5/8x+8/9 is is slope y-intercept form. so the y intercept is at (0,8/9). Plot that point. The slope is 5/8, so from your y-intercept point, count right 8 and then go up 5.Ax + By = C. To find the y-intercept for a line in standard form, set the value of x to 0 and solve the equation for y. A (0) + By = C. By = C. By B = C B. y = C B. So, the y-intercept of the line is equal to C/B or the point (0, C/B) . Some uses of the standard form use an alternate version of the equation: Ax + By + C = 0.The National Cancer Institute Division of Cancer Prevention (DCP) is devoted to research on cancer prevention, interception, screening and early detection, and symptom science. To ...Well, the situation in which the tub has drained completely, that means the there's no water left in the tub. So that means that our y-value, our water value is down at zero. And that happens on the graph right over there. And this point where the graph intersects the x-axis, that's known as the x-intercept. And in this context, it says, hey ...The Point-Slope Form. Given the slope and one point on a line, we can find the equation of the line using point-slope form. y − y1 = m(x − x1) This is an important formula, as it will be used in other areas of College Algebra and often in … Step 1: Note down the coordinates of the two points lying on the line as (x 1 1, y 1 1) and (x 2 2, y 2 2 ). Step 2: Apply the two point formula given as, y −y1 y − y 1 = y2−y1 x2−x1 (x− x1) y 2 − y 1 x 2 − x 1 ( x − x 1). Step 3: Simplify the obtained equation to the form, y = mx + b to represent the line. The Discovery and Development of Natural Products for Cancer Interception and Prevention Program (DDNP-CIP) supports the discovery and development of new natural products that are ... Step 1: Note down the coordinates of the two points lying on the line as (x 1 1, y 1 1) and (x 2 2, y 2 2 ). Step 2: Apply the two point formula given as, y −y1 y − y 1 = y2−y1 x2−x1 (x− x1) y 2 − y 1 x 2 − x 1 ( x − x 1). Step 3: Simplify the obtained equation to the form, y = mx + b to represent the line. How the equation of a line relates to the graph of its y-intercept. The Y-Intercept of a line is the point where a line 's graph intersects (crosses) the Y-axis. A y-intercept of 3 means that a line's graph intersects the Y-axis at the point (0, 3). A y-intercept of -4 means that the graph of a line crosses the Y-axis at the point (0, -4).Find slope-intercept equation from graph (example) Similarly, when we need to know how to write slope-intercept form from a graph, we determine the slope and the y-intercept. When presented with a graph, we must first determine two points on the grid lines and identify those points. For our graph, we will use the points (1,1) and (0,-2). Now ...Find the y-intercept. This can be done by substituting the slope and the coordinates of a point (x, y) on the line in the slope-intercept formula and then solve for b. Once you've got both m and b you can just put them in the equation at their respective position. The points of the intecepts are (2,0) and (0,5). to find the equation of the line, you need to put it into slope-intercept form which is y=mx+b, where m is the slope and b is the y intercept. to find the slope you do 5-0 where you subtract the second y (5) from the first y (0). you put that over 0-2, where you subtract the first x (2) from the second x (0). your slope should look like this 5/-2. Find the equation of the line that is: parallel to y = 2x + 1; and passes though the point (5,4) The slope of y = 2x + 1 is 2. The parallel line needs to have the same slope of 2. We can solve it by using the "point-slope" equation of a line: y − y 1 = 2(x − x 1) And then put in the point (5,4): y − 4 = 2(x − 5) That is an answer!A y-intercept calculator is a calculator used to determine the point where a slope passes through the y-axis in an x-y plane. Similarly, an x-intercept calculator finds out the point where a line crosses the x-axis. The calculator utilizes the equation y = mx + c to calculate the x or y-intercept. The task of determining the intercepts manually ...Learn how to find the x-intercept and y-intercept of a line from a graph, a table, or an equation. See examples, videos, and practice problems with solutions.The slope–intercept form of an equation of a line with slope mm and y -intercept, (0, b) is, y = mx + b. Sometimes the slope–intercept form is called the “ y -form.”. Exercise 6.6.1. Use the graph to find the slope and y -intercept of the line, y = 2x + 1. Compare these values to the equation y = mx + b. Answer. Finding Intercepts From an Equation. X Intercept: where the graph of an equation crosses the x-axis. Y Intercept: where the graph of an equation crosses the y-axis. To find the intercepts: When you want the x intercepts (x,0): Set y=0 then solve for x. When you want the y intercepts (0,y): One way to plot a line is to plot any two points that are on the line, and for an equation in standard from like this one, two easy points to find at the x and y intercepts--the values where x=0 and y=0. To find the x intercept, plug y=0 into 6x-6y=-6 and you get 6x-6 (0)=-6 which simplifies to 6x=-6 or x=-1.To summarize, any linear equation can be graphed by finding two points and connecting them with a line drawn with a straightedge. Two important and useful points are the \(x\)- and \(y\)-intercepts; find these points by substituting \(y = 0\) and \(x = 0\), respectively. This method for finding intercepts will be used throughout our study of ...To find the y axis intercept, substitute x = 0 into the equation and solve for y. For example, find the 𝑥 and y intercepts of 2y + 3𝑥 = 12. To find the 𝑥-axis intercept, first substitute y = 0 into the equation. When y = 0, the equation 2y + 3𝑥 = 12 becomes 3𝑥 …Intercept of a Line. (Coordinate Geometry) Definition: The intercept of a line is the y-value of the point where it crosses the y-axis. Try this Adjust the line below by dragging an orange dot at point A or B. The intercept is shown and recalculated as you drag. You can also drag the origin point at (0,0). The intercept of a line is the point ...To find the linear equation you need to know the slope and the y-intercept of the line. To find the slope use the formula m = (y2 - y1) / (x2 - x1) where (x1, y1) and (x2, y2) are two points on the line. The y-intercept is the point at which x=0.If x is 6, 1/2 x 6 is 3, -3 is indeed equal to 0. So now that we know what an x-intercept is, it's the point where a graph intersects the x-axis or intercepts ...To begin, we graph our first parabola by plotting points. Given a quadratic equation of the form y = ax2 + bx + c, x is the independent variable and y is the dependent variable. Choose some values for x and then determine the corresponding y -values. Then plot the points and sketch the graph. Example 9.5.1. Finding Intercepts From an Equation. X Intercept: where the graph of an equation crosses the x-axis. Y Intercept: where the graph of an equation crosses the y-axis. To find the intercepts: When you want the x intercepts (x,0): Set y=0 then solve for x. When you want the y intercepts (0,y):
Find slope-intercept equation from graph (example) Similarly, when we need to know how to write slope-intercept form from a graph, we determine the slope and the y-intercept. When presented with a graph, we must first determine two points on the grid lines and identify those points. For our graph, we will use the points (1,1) and (0,-2). Now .... Good taste records
After the news of Ryanair's diverted flight to Belarus, we explain how airline pilots handle military interventions. As I write this, the aviation world is still trying to get its ...The Discovery and Development of Natural Products for Cancer Interception and Prevention Program (DDNP-CIP) supports the discovery and development of new natural products that are ...Algebra. Graph y=2x-3. y = 2x − 3 y = 2 x - 3. Use the slope-intercept form to find the slope and y-intercept. Tap for more steps... Slope: 2 2. y-intercept: (0,−3) ( 0, - 3) Any line can be graphed using two points. Select two x x values, and plug them into the equation to find the corresponding y y values.Key Takeaways · Since two points determine any line, we can graph lines using the x- and y-intercepts. · To find the x-intercept, set y = 0 and solve for x. · ...Find the slope intercept form of a line given two points, a function or the intercept step-by-step. slope-intercept-form-calculator. en. Related Symbolab blog posts. High School Math Solutions – Perpendicular & Parallel Lines Calculator.The straight line through two points will have an equation in the form \(y = mx + c\) We can find the value of m, the gradient of the line, by forming a right-angled triangle using the coordinates ...What About y = mx + b ? You may already be familiar with the y=mx+b form (called the slope-intercept form of the equation of a line). It is the same equation, in a different form! The "b" value (called the y-intercept) is where the line crosses the y-axis. So point (x 1, y 1) is actually (0, b) and the equation becomes:Find the slope intercept form of a line given two points, a function or the intercept step-by-step. slope-intercept-form-calculator. en. Related Symbolab blog posts. High School Math Solutions – Perpendicular & Parallel Lines Calculator.Find the equation of the line that is: parallel to y = 2x + 1; and passes though the point (5,4) The slope of y = 2x + 1 is 2. The parallel line needs to have the same slope of 2. We can solve it by using the "point-slope" equation of a line: y − y 1 = 2(x − x 1) And then put in the point (5,4): y − 4 = 2(x − 5) That is an answer!You want to get y by itself on one side of the equation, so you need to divide both sides by 2 to get y = 3x - 6; This is slope intercept form, y = 3x - 6. Slope is the coefficient of x so in this case slope = 3; How to Find the y-Intercept. The y-intercept of a line is the value of y when x=0. It is the point where the line crosses the y axis.Sep 9, 2011 ... This video provides an example of how to determine the equation of a line in slope-intercept form given two points on the line.Jan 30, 2024 · The y-intercept of the line. The angle the line makes with respect to the x-axis (measure anti-clockwise). Slope as a percentage (percentage grade). The distance between the two points. For example, say you have a line that passes through the points (1, 5) and (7, 6). Enter the x and y coordinates of the first point, followed by the x and y ... In algebra, linear equations means you're dealing with straight lines. When you're working with the xy -coordinate system, you can use the following formulas to find the slope, y -intercept, distance, and midpoint between two points. Consider the two points ( x1, y1) and ( …example 1: Determine the equation of a line passing through the points and . example 2: Find the slope - intercept form of a straight line passing through the points and . example 3: If points and are lying on a straight line, determine the slope-intercept form of the line.Let me further explain using my example in 3 straightforward steps: Step 1: You take the ordered pairs (2,9) and (19,10) and take out the y2 and y1 numbers. That would be 10 and 9. Then take out the x2 and x1 numbers. That should be 19 and 2. Step 2: Next, you should minus the y2 and y1 numbers from each other..