SAT Math Practice Question #31718 - SATify | SATify

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SAT Math Practice Question #31718 - SATify | SATify

#31718

linear equations

slopes

coordinate geometry

medium

60 sec

Line $P$ is represented by the equation $3 x + 5 y = 15$ . Line $Q$ is perpendicular to line $P$ in the $x y$ -plane. What is the slope of line $Q$ ?

A.

$- \frac{5}{3}$

B.

$- \frac{3}{5}$

C.

$\frac{3}{5}$

D.

$\frac{5}{3}$