SAT Math Practice Question #7825 - SATify | SATify

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SAT Math Practice Question #7825 - SATify | SATify

#7825

linear equations

equations

algebra

equivalence

substitution

systems

graphs

hard

90 sec

$x - 4 y = 5$
$3 x - 12 y = 15$
For each real number $r$ , which of the following points lies on the graph of each equation in the $x y$ -plane for the given system?

A.

$(4 r - 5, r)$

B.

$(4 r + 5, r)$

C.

$(r, \frac{r + 5}{4})$

D.

$(\frac{r + 5}{4}, r)$