SAT Math Practice Question #10171 - SATify | SATify

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SAT Math Practice Question #10171 - SATify | SATify

#10171

linear equations

coordinate geometry

slopes

medium

45 sec

Line $k$ is defined by $6 y - 3 x = 12$ . Line $l$ is perpendicular to line $k$ in the $x y$ -plane. What is the slope of line $l$ ?

A.

$\frac{1}{2}$

B.

$- \frac{1}{2}$

C.

$2$

D.

$- 2$