SAT Math Practice Question #35880 - SATify | SATify

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SAT Math Practice Question #35880 - SATify | SATify

#35880

linear equations

systems

equations

medium

75 sec

The system of equations $y = a x + b$ and $y = c x + d$ has a unique solution at $(0, 0)$ . Which of the following must be true?

A.

$a = c$

B.

$b = d$

C.

$b = 0$ and $d = 0$

D.

$a e q c$ , $b = 0$ , and $d = 0$