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Intercepts of a Line Intercepts are the points at which the graph intersects the x-axis or the y-axis. Since an intercept intersects the x-axis or the.

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Presentation on theme: "Intercepts of a Line Intercepts are the points at which the graph intersects the x-axis or the y-axis. Since an intercept intersects the x-axis or the."— Presentation transcript:

1 Intercepts of a Line Intercepts are the points at which the graph intersects the x-axis or the y-axis. Since an intercept intersects the x-axis or the y-axis, then an intercept has zero as either its x-coordinate or its y-coordinate. y-intercepts x-intercepts The point (x, 0) is an x-intercept of the graph of an equation if it is a solution point of the equation. The point (0, y) is a y-intercept of the graph of an equation if it is a solution point of the equation. Looks like these intercepts should be pretty easy to find.

2 Finding Intercepts of a Graph
Let’s take a look at how we go about finding x-intercepts and y-intercepts. x-intercepts y-intercepts To find the x-intercepts of a graph, let y be zero and solve the equation for x. To find the y-intercepts of a graph, let x be zero and solve the equation for y. That sounds pretty easy to me.

3 Examples of Intercepts
The intercepts are y-intercept x-intercept x-intercept y-intercept The intercepts are That was easy

4 Finding the Intercepts of a Line by Solving
x-intercepts y-intercepts Let y be zero and solve the equation for x. Let x be zero and solve the equation for y. The y-intercept is (0, -4) The x-intercept is (4, 0) The y-intercept is (0, -2) That was easy The x-intercept is (3, 0)

5 Standard Form of a Linear Equation
Find the x-intercept and y-intercept of each linear equation. x-intercepts x-intercepts y-intercepts Let y be zero and solve the equation for x. Let be x zero and solve the equation for y. y-intercepts

6 Homework Page 326: 8 – 13 All Problems

7 x-intercepts y-intercepts

8

9 Summary of Equations of Lines
Slope-Intercept Form Horizontal Line Vertical Line General Form Point-Slope Form

10 Transforming to Standard Form
Write each equation in standard form using integers.

11 More Transforming to Standard Form
Write each equation in standard form using integers.

12 Homework Page 326: 14 – 36 Even Numbers


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