SAT Math Practice Question #31255 - SATify | SATify

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SAT Math Practice Question #31255 - SATify | SATify

#31255

systems

equations

medium

75 sec

$x = \frac{1}{2}$
$y = 8 x^{2} + 3 x - 1$
A solution to the given system of equations is (x, y). What is the value of xy?

A.

$\frac{1}{4}$

B.

$\frac{3}{4}$

C.

$\frac{5}{4}$

D.

$\frac{7}{4}$