If possible, evaluate the expression at the given value of the variable.
, x = 5
A. 
B. - 
C. 429
D. Undefined
Answer: D
Mathematics
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Factor completely. If the polynomial is prime, state so.z2 + 2z + 1
A. (z - 1)2 B. (z + 1)(z - 1) C. (z + 2)(z - 2) D. (z + 1)2
Mathematics
Solve by completing the square.x2 = 7 - 4x
A. -2 ± 2
B. 2 + 
C. -1 ± 
D. -2 ± 
Mathematics
Find an equation for the line.
A. y = 2x - 9
B. y = 2x + 6
C. y = 
x + 
D. y = 2x + 7
Mathematics
?Use the fact that for an 
matrix A, 
, to evaluate 
.
A. ?-120 B. ?-360 C. ?-1,000 D. ?-40 E. ?-2,000
Mathematics