Solve by completing the square to obtain exact solutions.49x2 - 84x - 13 = 0

A. , - 
B. , - 
C. - , - 
D. - , 

Answer: A

Mathematics

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Solve the problem.If (-7, 5) is the endpoint of a line segment, and (-10, 6) is its midpoint, find the other endpoint.

A. (-1, 3) B. (-13, 7) C. (-13, 4) D. (-5, -1)

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Simplify the expression.8-4/3

A. 16
B.
C. -16
D. - 

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Mathematics

Factor out the GCF.144x9y9 - 128x7y6 - 32x2y4

A. 16x2y4(9x7y5 - 8x5y2 - 2) B. no common factor C. 16x2(9x7y9 - 8x5y6 - 2y4) D. 16(9x9y9 - 8x7y6 - 2x2y4)

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Mathematics

Determine whether the relation represents a function. If it is a function, state the domain and range.{(-3, -6), (0, 5), (5, -3), (6, -1)}

A. function domain: {-6, 5, -3, -1} range: {-3, 0, 5, 6} B. function domain: {-3, 0, 5, 6} range: {-6, 5, -3, -1} C. not a function

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Mathematics