Factor completely, or state that the polynomial is prime.10x5 - 10xy2
A. 10x(x2 + y)(x2 - y)
B. 10x(x2 + y2)(x + y)(x - y)
C. prime
D. 10x(x2 - y)2
Answer: A
Mathematics
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Solve the inequality. Graph the solution set, and state the solution set in interval notation.
> 9
A. (-4, 0)
B. (-?, -4) ? (0, ?)
C. (0, ?)
D. (-4, 4)
Mathematics
If f is one-to-one, find an equation for its inverse.f(x) = x3 + 8
A. f-1(x) = 
B. f-1(x) = 
- 8
C. Not a one-to-one function
D. f-1(x) = 
Mathematics
Add or subtract as indicated.48 - 67.48
A. -19.98 B. -115.48 C. -19.48 D. -19.58
Mathematics
Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = 7, y = 0; (7, 0)
B. x = 0, y = 0; (0, 0)
C. y = - 
+ 
, where x is any real number
or {(x, y) | y = - 
+ 
, where x is any real number}
D. inconsistent
Mathematics