7. Evaluate the algebraic expression 2 a2 + 10ab - 4b2 at a = 4 and b = 3. A. 100
B.116
C. 126
D. 152
3x2+y
8. What is the value of the expression if x = -2, y = -10, and z = 2?
Z
A.1
B. -1
C.O
D. 11
B.116
C. 126
D. 152
3x2+y
8. What is the value of the expression if x = -2, y = -10, and z = 2?
Z
A.1
B. -1
C.O
D. 11
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