Solve using the quadratic formula.3x2 + 6x + 2 = 0

A.  
B.  
C.
D.  

Answer: D

Mathematics

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Find the largest open interval where the function is changing as requested.Increasing f(x) = x2 - x

A. (-1, 1) B. (1, ?) C. (-?, ?) D. (-?, -1)

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List the numbers that precede and follow the given number in the given base.689

A. 679; 1019  B. 669; 729  C. 679; 709  D. 679; 719 

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Mathematics

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.6( + )

A. 6 + 7
B. 42 + 42
C. 6 + 7
D. 6 + 42

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Mathematics

Solve the equation. = 

A. 4, 6
B. 0, 
C. 0
D. 0, 36

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Mathematics