SAT Math Practice Question #15532 - SATify | SATify

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SAT Math Practice Question #15532 - SATify | SATify

#15532

equations

systems

quadratic equations

hard

75 sec

If $(x_{1}, y_{1})$ and $(x_{2}, y_{2})$ are the two solutions to the system of equations:

y = x^{2} - x - 2

y = 2 x + 4

what is the value of $x_{1} y_{1} + x_{2} y_{2}$ ?

A.

50

B.

52

C.

54

D.

56