SAT Math Practice Question #11332 - SATify | SATify

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SAT Math Practice Question #11332 - SATify | SATify

#11332

linear equations

systems

hard

65 sec

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?
$2 x + 5 y = 15$
$6 x + 15 y = 45$

A.

$(r, \frac{15}{2} - \frac{5 r}{2})$

B.

$(r, \frac{2 r}{5} + 3)$

C.

$(\frac{15}{2} + \frac{5 r}{2}, r)$

D.

$(\frac{15}{2} - \frac{5 r}{2}, r)$