Factor completely. If the polynomial cannot be factored, say it is prime.x2 + 6x - 27
A. (x - 3)(x + 9)
B. (x + 3)(x + 1)
C. (x + 3)(x + 9)
D. prime
Answer: A
Mathematics
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A.
B.
C.
D.
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Decompose into partial fractions.
A. 2x - 5 - +
B. 2x - 5 - +
C. 2x + 5 - +
D. 2x + 5 - +
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Solve.A rock falls from a tower that is 208 ft high. As it is falling, its height is given by the formula How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth.
A. 14.4 sec B. 3.6 sec C. 2,704 sec D. 13 sec
Mathematics
Find the unknown value in the percent proportion Round to the nearest tenth, if necessary.part = 95, percent = 22
A. whole = 23.2 B. whole = 43.2 C. whole = 431.8 D. whole = 215.9
Mathematics