Simplify.-82

A. 64
B. 512
C. -64
D. -512


Answer: C

Mathematics

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An algebraic expression is given. Use the expression to answer the following questions. a) How many terms are there in the algebraic expression? b) What is the numerical coefficient of the first term? c) What is the constant term? d) Does the algebraic expression contain like terms? If so, what are the like terms?3y + 1 + 7x

A. a) 3 b) 3 c) 1 d) yes, 3y and 7x B. a) 3 b) 3 c) 1 d) no C. a) 2 b) 3 c) 1 d) no D. a) 3 b) 7 c) 1 d) no

Mathematics

Solve the problem.A local race for charity has taken place since 1993. Using the actual speeds of the winners from 1993 through 1998, mathematicians obtained the formula , in which x represents the number of years after 1993 and y represents the winning speed in miles per hour. In what year is the winning speed predicted to be 7.16 mph?

A. 2006 B. 2005 C. 2004 D. 2007

Mathematics

Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log 3 (x + 6) + log 3 (x - 6) - log 3 x = 2

A. {-3} B. {12} C. {12, -3} D. ?

Mathematics

Solve the equation.x-2 - 4x-1 + 3 = 0

A. {1, 3}
B.
C. {-1, -3}
D.

Mathematics