Factor completely. If the polynomial cannot be factored, say it is prime.x4 - 81
A. (x2 + 9)2
B. (x2 - 9)2
C. (x2 + 9)(x + 3)(x - 3)
D. prime
Answer: C
Mathematics
You might also like to view...
Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve by completing the square to obtain exact solutions.x2 = 7 - 8x
A. -4 ± 2
B. -1 ± 
C. 4 + 
D. -4 ± 
Mathematics
Give the domain of the function.f(x) = 
A. (-?, 4) ? (4, 9) ? (9, ?) B. (-?, -4) ? (-4, 9) ? (9, ?) C. (-?, -9) ? (-9, 4) ? (4, ?) D. (-?, -9) ? (-9, -4) ? (-4, ?)
Mathematics
Evaluate the expression.
2
A. 16
B. -16
C. 
D. 
Mathematics