Find the slope of the line containing the pair of points.(5, -8), (5, 7)

A. No slope
B. 15
C. -15
D. 0

Answer: A

Mathematics

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A. x = - 
B. x = -3
C. x = - 
D. x = 1

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Factor the polynomial completely.2x2y3 + 14x2y2 - 8x2y2 - 56x2y

A. 2x2y(y + 7)(y - 4) B. 2x2y(y - 7)(y + 4) C. 2(xy2 + 7)(xy - 4) D. 2(y2 - 7x)(y + 4x)

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Evaluate the root, if possible.- 

A. -6 B. -36 C. Not real D. -5

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Find the second-order partial derivative.Find fxy when f(x,y) = 10x2y4 - 7x3y5.

A. 80xy3 - 21x2y4 B. 160xy3 - 105x2y4 C. 80xy3 - 105x2y4 D. 160xy3 - 21x2y4

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