Factor the polynomial completely using the trial and error method.8x2 + 17x - 21
A. (x - 7)(8x + 3)
B. prime
C. (x - 3)(8x + 7)
D. (x + 3)(8x - 7)
Answer: D
Mathematics
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Determine the quadratic function whose graph is given.
A. f(x) = -x2 + 6x + 8 B. f(x) = x2 - 6x + 8 C. f(x) = x2 + 6x - 8 D. f(x) = x2 + 6x + 8
Mathematics
Find the determinant of the matrix and determine if the matrix is invertible 
What will be an ideal response?
Mathematics
Perform the division.
A. m2 + 4 B. m2 - 4 C. m - 4 D. m + 4
Mathematics
Find the mean for the given sample data.The local Tupperware dealers earned these commissions last month:
What was the mean commission earned? Round your answer to the nearest cent.
A. $3420.39 B. $3426.39 C. $4282.98 D. $3807.10
Mathematics