SAT Math Practice Question #31860 - SATify | SATify

Home Practice Exams Features Pricing Quick Start Guide About

Loading...

SAT Math Practice Question #31860 - SATify | SATify

#31860

slopes

coordinate geometry

medium

40 sec

Line $r$ has a slope of $m_{r}$ . Line $s$ is perpendicular to line $r$ in the $x y$ -plane and has a slope of $m_{s}$ . If $m_{r} = - \frac{3}{8}$ , what is the value of $m_{s}$ ?

A.

$- \frac{8}{3}$

B.

$- \frac{3}{8}$

C.

$\frac{3}{8}$

D.

$\frac{8}{3}$