Factor the trinomial completely.3x3 + 12x2 - 36x
A. 3x(x - 6)(x + 2)
B. 3x(x + 6)(x + 2)
C. 3x(x - 6)(x - 2)
D. 3x(x + 6)(x - 2)
Answer: D
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Find the real solutions, if any, of the equation. Use the quadratic formula.5x2 + 20x - 25 = 0
A. 
B. 
C. 
D. 
Determine whether f(x) could represent a linear function. If it could, write f(x) in the form f(x) = mx + b.
A. No B. Yes; f(x) = 5x - 6
Solve.When Maria finished medical school she had a student loan. She repaid $27,000 of the loan within two years of graduating. That was 
of the total amount she owed. Write and solve an equation to determine the total amount, x, of the student loan.
A. 27,000 ? 
= x; $24,300
B. 27,000 ? 
= x; $54,000
C. 27,000 = 
x; $24,300
D. 27,000 = 
x; $54,000
Solve the problem.Find the length of each petal of the polar curve r = 3 + 5 cos 3?. Note that this means the distance from the pole to the farthest point on the petal, not the arc length.
A. 3 B. 18 C. 5 D. 8