SAT Math Practice Question #15675 - SATify | SATify

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SAT Math Practice Question #15675 - SATify | SATify

#15675

algebra

expressions

easy

45 sec

Which expression is equivalent to $(z^{2} + 5 z - 3) + (- 2 z^{2} + 7)$ ?

A.

$- z^{2} + 5 z + 4$

B.

$3 z^{2} + 5 z + 4$

C.

$- z^{2} + 5 z - 10$

D.

$- z^{2} + 12 z + 4$