Question

Evaluate the expression for x = –4, y = –2, and z = –3.



X(Y+Z)^2

A.–40

B.100

C.–100

D.40

Answer 1

direct substitution
replace the letters with the numbers then evaluate

Answer 2

X(Y+Z)^2
-4 ( -2 + -3 )^2
-4 (-5)^2
-4*25
-100