SAT Math Practice Question #8063 - SATify | SATify

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SAT Math Practice Question #8063 - SATify | SATify

#8063

equations

algebra

lines

coordinate geometry

slopes

geometry

medium

75 sec

Calculator OK

Line $m$ is defined by $5 x + 10 y = - 25$ . Line $n$ is perpendicular to line $m$ in the $x y$ -plane. What is the slope of line $n$ ?

A.

$- \frac{1}{2}$

B.

$\frac{1}{2}$

C.

$- 2$

D.

$2$