Solve the equation.x + 17 = 0
A. i
B. -i
C. -17
D. 17
Answer: C
Mathematics
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Find a polar equation for the circle.x2 + 
x + y2 = 0
A. r = 
sin ?
B. r = - 
sin ?
C. r = 
cos ?
D. r = - 
cos ?
Mathematics
Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. 4ab
B. 4
C. 4a2b
D. 4ab
Mathematics
Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)
Mathematics
Match the given equation with one of the graphs.x2 = -4y
A. 
B. 
C. 
D. 
Mathematics