Factor completely. If the polynomial is prime, state this.4x2 - 12xy - 16y2

A. 4(x - y)(x + 4y)
B. 4(x + y)(x - 4y)
C. (4x - 4y)(x + 4y)
D. (x - y)(4x + 12y)


Answer: B

Mathematics

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Solve the problem.Find the magnitude of the torque in foot-pounds at point P for the following lever: = 8 in. and  = 15 lb

A. 9.06 ft-lb B. 4.23 ft-lb C. 9.72 ft-lb D. 120 ft-lb

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Write the slope-intercept form of the equation for the line passing through the given pair of points.(-9, 5) and (0, -5)

A. y = x - 5
B. y = - x - 5
C. y = x - 5
D. y = - x - 5

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Divide.

A. -  + i
B. -  + i
C.  - i
D.  - i

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Rationalize the denominator.

A.  - 
B.
C.
D.

Mathematics