SAT Math Practice Question #35829 - SATify | SATify

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SAT Math Practice Question #35829 - SATify | SATify

#35829

slopes

coordinate geometry

linear

hard

90 sec

Line $A$ passes through the points $(2, 7)$ and $(6, 15)$ . Line $B$ is perpendicular to line $A$ in the $x y$ -plane. What is the slope of line $B$ ?

A.

$- 2$

B.

$- \frac{1}{2}$

C.

$\frac{1}{2}$

D.

$2$