SAT Math Practice Question #38038 - SATify | SATify

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SAT Math Practice Question #38038 - SATify | SATify

#38038

coordinate geometry

linear

medium

60 sec

Calculator OK

A line $A$ passes through the points $(1, 5)$ and $(3, 1)$ . Line $B$ is perpendicular to line $A$ in the $x y$ -plane. Which of the following could be the equation of line $B$ ?

A.

$y = 2 x + 3$

B.

$y = - 2 x - 1$

C.

$y = \frac{1}{2} x + 4$

D.

$y = - \frac{1}{2} x + 2$