### Home > APCALC > Chapter 10 > Lesson 10.1.8 > Problem10-97

10-97.

Write the equation of a line such that $f^\prime(3) = 2$ and $f(3) = 5$. Now write the equation of the normal line at $x = 3$. Homework Help ✎

This is a line with a slope of $2$ passing through the point $(3, 5)$.

"Normal" means perpendicular. The slope of the normal line is $–1/2$.