Honors Geometry Companion Book, Volume 1

3.2.3 Point-Slope Form (continued) Example 4 Using Two Points to Find Intercepts In Example 4, Prof. Burger uses two points on a line to find the intercepts of that line.

Recall that the equation of a line can be used to find the line’s intercepts. To find the x -intercept of a line, substitute 0 for y and solve for x . To find the y -intercept of a line, substitute 0 for x and solve for y .


Made with FlippingBook - Online magazine maker