Solve.x2 = 81

A. 40.5
B. -9, 9
C. -10, 10
D. 9


Answer: B

Mathematics

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Solve by completing the square to obtain exact solutions.9x2 + 18x + 8 = 0

A. - , - 
B. - 
C.
D. - , - 

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Perform the indicated division by synthetic division.(x4 - 121) ÷ (x2 - 11)

A. 11x + 11, R = 0 B. x2 + 11, R = 0 C. 11x + 11, R = 1 D. x + 121, R = 0

Mathematics

Graph.3y + 27x = -18

A.

B.

C.

D.

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Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.

A. 10
B. - 
C. - 10
D.

Mathematics