SAT Math Practice Question #37043 - SATify | SATify

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SAT Math Practice Question #37043 - SATify | SATify

#37043

quadratic equations

systems

equations

medium

90 sec

The system of equations is given by:

y = x^{2} - 2 x - 1

y = 3 x - 7

If $(x_{1}, y_{1})$ and $(x_{2}, y_{2})$ are the two solutions to the system of equations above, what is the value of $x_{1} y_{1} + x_{2} y_{2}$ ?

A.

2

B.

4

C.

6

D.

8