Factor the binomial completely.49x2 - 81
A. (7x + 9)2
B. (7x + 9)(7x - 9)
C. prime
D. (7x - 9)2
Answer: B
Mathematics
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Find the product.(y - 7)(y2 + 7y + 7)
A. y3 + 56y + 49 B. y3 - 42y - 49 C. y3 - 14y2 - 42y - 49 D. y3 + 14y2 + 42y + 49
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Rewrite as an equivalent exponential equation. Do not solve.log8
= -3
A. (
)3 = 8
B. 8-3 = 
C. 38 = 
D. 8512 = 3
Mathematics
Add.Add 15.56 and 74.60.
A. 83.22 B. 1160.776 C. 97.1 D. 90.16
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Solve.-2x + 18 ? x(x + 1)
A. x ? -3 or x ? 6 B. x ? -6 or x ? 3 C. -6 ? x ? 3 D. -3 ? x ? 6
Mathematics