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SAT Math Practice Question #17279 - SATify | SATify

#17279

linear equations

systems

hard

240 sec

Calculator OK

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? $2 x + 3 y = 7$ $10 x + 15 y = 35$

A.

$(\frac{r}{5} + 7, - r + 35)$

B.

$(- \frac{3 r}{2} + \frac{7}{2}, r)$

C.

$(r, - \frac{2 r}{3} + \frac{7}{3})$

D.

$(r, - \frac{3 r}{2} + \frac{7}{2})$