SAT Math Practice Question #37044 - SATify | SATify

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SAT Math Practice Question #37044 - SATify | SATify

#37044

quadratic equations

systems

equations

hard

120 sec

The system of equations is given by:

y = x^{2} - 4 x + 5

x - y = - 1

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 $(x_{1} + x_{2}) (y_{1} + y_{2})$ ?

A.

25

B.

30

C.

35

D.

40