Solve the system of linear equations using matrices.

A. (5, 1)
B. ?
C. (-1, -5)
D. (1, 5)

Answer: A

Mathematics

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Use the graph to evaluate the limit.f(x)

A. - 
B. ?
C. -1
D.

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Add or subtract.(8x8 + 4x7 - 6x6 + 4) - (3x8 - 8x7 + 9x6 - 6)

A. 11x8 - 4x7 + 3x6 - 2 B. 5x8 - 4x7 + 3x6 - 2 C. 11x8 - 4x7 + 3x6 + 10 D. 5x8 + 12x7 - 15x6 + 10

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Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -3x2 - 9x

A. maximum; - 
B. minimum; - 
C. maximum;  
D. minimum;  

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Solve. + y = 

A.
B.
C.  
D.

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Mathematics