Write the following as an algebraic expression. Simplify if possible.Add 6x + 11 to 3x - 7.

A. 9x + 4
B. 3x + 4
C. 9x + 18
D. 9x - 18

Answer: A

Mathematics

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Solve the quadratic equation by completing the square.3x2 - 2x - 4 = 0

A. x = 
B. x = 
C. x = 
D. x = -4, x = 

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Mathematics

Solve the system of equations. If the system is inconsistent or has dependent equations, say so.  x + 4y - z = 3-4x - 16y + 4z = -12  3x + 12y - 3z = 9

A. {(1, 1, 2)} B. {(x, y, z)|x + 4y - z = 3}; dependent equations C. {(0, 2, 5)} D. ?; inconsistent system

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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.ln  = 7

A. {e7 - 2}
B. {e14 - 2}
C. {e14 + 2}
D.

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Mathematics

Solve the problem.If h(x) = x2 - 9x + 20 , solve h(x) > 0.

A. (5, ?) B. (-?, 4) C. (4, 5) D. (-?, 4) or (5, ?)

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Mathematics