### Home > APCALC > Chapter 8 > Lesson 8.3.3 > Problem 8-132

8-132.

**Multiple Choice: **The equation of the line normal to the curve at the point where

*is:*

A 'normal line' is perpendicular to a 'tangent line' at the point of tangency. So first find the equation of the tangent line, then manipulate its slope.