Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. x2 + x + 6
B. x2 - 6
C. x2 + 6
D. x + 6
Answer: C
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Factor the special products.y2 - u2
A. (y2 - u)(y2 + u) B. (y - u)(y + u) C. (y - u)(y - u) D. prime
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A. 25 ft B. 20 ft C. 30 ft D. 15 ft
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3 (odd), -1 (odd), 2 (even) B. -3 (even), -1 (odd), 2 (even) C. -3 (odd), -1 (even), 2 (odd) D. -3 (even), -1 (even), 2 (odd)
Perform the indicated operation. Round the result to the nearest thousandth if necessary.(-0.00832) ÷ (-0.65)
A. -0.013 B. 78.125 C. 0.005 D. 0.013