Simplify.(5x + 11y)2
A. 5x2 + 121y2
B. 25x2 + 110xy + 121y2
C. 5x2 + 110xy + 121y2
D. 25x2 + 121y2
Answer: B
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Factor completely. If prime, so indicate.6y2 + 27y - 15
A. 3(2y + 1)(y - 5) B. (2y - 1)(3y + 15) C. 3(2y - 1)(y + 5) D. (6y - 3)(y + 5)
Solve the problem.The surface area of a hollow cylinder (tube) is given by 
where h is the length of the cylinder and R1 and R2 are the outer and inner radii. If h, R1, and R2 are measured to be 4 inches, 5 inches, and 8 inches respectively, and if these measurements are accurate to within 0.1 inches, estimate the maximum possible error in computing S.
A. 13.82 B. 20.11 C. 16.96 D. 10.68
Determine whether the equation is quadratic.2x + 3 = 0
A. No B. Yes
Find the inverse of the function.f(x) = 
- 2, x ? 0
A. f-1(x) = -(x + 2)2, x ? 2 B. f-1(x) = (x - 2)2 C. f-1(x) = (x + 2)2, x ? 2 D. f-1(x) = x + 2, x ? 2