Factor the trinomial completely.a2(a + b)2 - ab(a + b)2 - 20b2(a + b)2
A. (a + b)2(a - 5b)(a + 4b)
B. (a + b)2(a - 4b)(a + 5b)
C. (a + b)2(a - 5)(a + 4)
D. (a - 5b)(a + 4b)(a + b)
Answer: A
Mathematics
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A. 128 B. 256 C. 32 D. 512
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tan 
= -1
A. {150°} B. {330°} C. {300°} D. {120°}
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State whether the linear model shown in the graph is exact or approximate. Then find the equation of the line.
A. Exact; y = X - 2 B. Approximate; y = x - 2 C. Approximate; y = 3x - 2 D. Exact; y = x - 2
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Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log2/319
A. 7.26 B. -7.26 C. 8.92 D. -14.52
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