Factor completely. If the polynomial cannot be factored, say it is prime.8x2 - 28x - 16
A. 4(2x - 1)(x + 4)
B. (8x - 4)(x + 4)
C. 4(2x + 1)(x - 4)
D. prime
Answer: C
Mathematics
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Determine the quadratic function whose graph is given.
A. f(x) = -x2 - 4x B. f(x) = x2 - 4x C. f(x) = x2 + 4x D. f(x) = -x2 + 4x
Mathematics
Solve the problem.It costs $21 per hour plus a flat fee of $23 for a plumber to make a house call. After writing an equation for this situation, suppose the total cost to have a plumber come to a house is $191. How many hours did the plumber work?
A. 19 hr B. 20 hr C. 7 hr D. 8 hr
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Divide. If the division is not possible, write "undefined."
A. 5 B. 4 C. 3 R4 D. 3 R3
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Write the ratio in lowest terms.5
tons to 5
tons
A. 
B. 
C. 
D. 
Mathematics