Use the discriminant to determine whether the equation has two distinct real solutions, a single real solution, or no real solution.8 + 5x2 = -8x
A. one real solution
B. two real solutions
C. no real solution
Answer: C
Mathematics
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Find the values of x for which the geometric series converges.
A. 3 < x < 13 B. -3 < x < 13 C. -9 < x < 9 D. 1 < x < 9
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = x, y = 0, x = 3, x = 5
A. 
?
B. 8?
C. 17?
D. 
?
Mathematics
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."f(x) = 3x + 2
A. f-1(x) = 
B. Not one-to-one
C. f-1(x) = 
- 2
D. f-1(x) = 
Mathematics
Estimate. Choose a rounding digit that gives one or two nonzero digits.8.89 ÷ 3
A. 0.3 B. 0.03 C. 30 D. 3
Mathematics