SAT Math Practice Question #12084 - SATify | SATify

Home Practice Exams Features Pricing Quick Start Guide About

Loading...

SAT Math Practice Question #12084 - SATify | SATify

#12084

linear equations

systems

hard

85 sec

$4 x + 5 y = 20$ $12 x + 15 y = 60$ 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.

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

B.

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

C.

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

D.

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