### Home > GB8I > Chapter cc43 > Lesson cc43.2.2 > Problem 3-95

3-95.

Graph the line* *

Draw a slope triangle.

Rotate your slope triangle

around the origin to get a new slope triangle. What is the new slope? Write the equation of a line perpendicular to

.

Look at the slopes in parts (a) and (b). How are perpendicular slopes related?

Use the eTool below to graph the function, then draw and rotate a slope triangle.

Click the link at right for the full version of the eTool: Int1 3-95 HW eTool.