Identify the type of surface represented by the given equation.
+ 
= 
A. Hyperbolic paraboloid
B. Elliptic cone
C.
| Ellipsoid |
D. Elliptic paraboloid
Answer: D
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Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. 4ab
B. 4
C. 4a2b
D. 4ab
Factor the expression completely. If the polynomial is prime, state this as your answer.10x8 - 10
A. 10(x4 + 1)(x2 + 1)(x2 - 1) B. 10(x4 + 1)(x2 + 1)(x + 1)(x - 1) C. (10x4 + 1)(x2 + 1)(x + 1)(x - 1) D. 10(x4 + 1)(x4 - 1)
Solve the problem.Find f(k - 1) when f(x) = 3x2 - 5x + 4.
A. -11k2 + 3k + 12 B. 3k2 + 7k + 2 C. 3k2 - 11k + 12 D. 3k2 - 11k + 2
Solve the problem. Use 3.14 for ?. Round to the nearest tenth.The width of a piece of paper is 8.5 in., the length is 11 in., and the thickness is 0.0038 inches. There are 2600 sheets sitting in a cabinet by the copy machine. What is the volume occupied by the paper.
A. 1482.0 in3 B. 9.2 in3 C. 192.7 in3 D. 923.8 in3