Factor, if possible; if the polynomial is not factorable, write "prime."x2 - 6x - 72
A. prime
B. (x - 6)(x + 12)
C. (x + 6)(x - 12)
D. (x - 6)(x + 1)
Answer: C
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Calculate. State the answer as a whole-number quotient and remainder.7790 ÷ 38
A. quotient 206; remainder 0 B. quotient 205; remainder 0 C. quotient 205; remainder 29 D. quotient 206; remainder 28
Simplify the expression.20 + 19 ? 22
A. 438 B. 61 C. 858 D. 402
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(5x8 + 13x6 - 11x3 + 6) - (2x8 - 9x5 + 3x3 - 4)
A. 3x8 + 13x6 + 9x5 - 14x3 + 10 B. -3x8 + 13x6 - 9x5 - 14x3 + 10 C. -3x8 + 13x6 + 9x5 - 14x3 + 10 D. 3x8 + 13x6 - 9x5 - 14x3 + 10
Use the properties of logarithms to rewrite the logarithm if possible. Assume that all variables represent positive real numbers.log10 xy
A. log5 x - log5 y B. log10 x - log10 y C. log10 x + log10 y D. log5 x + log5 y