SAT Math Practice Question #37212 - SATify | SATify

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SAT Math Practice Question #37212 - SATify | SATify

#37212

systems

linear equations

medium

60 sec

The line $2 x - 5 y = 10$ is perpendicular to the line $k x + 4 y = 7$ . What is the value of $k$ ?

A.

$- 10$

B.

$- 8$

C.

$8$

D.

$10$