Rewrite the rational expression with the indicated denominator.
= 
A.
B.
C.
D.
Answer: A
Mathematics
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Find the standard equation of a parabola with the given focus or directrix. Assume that the vertex is at the origin.Focus (-4, 0)
A. y2 = -4x B. x2 = -16y C. y = -16x2 D. y2 = -16x
Mathematics
Solve the problem.Find the tangent to y = cot x at x = .
A. y = -2x +
B. y = 2x + 1
C. y = -2x + + 1
D. y = 2x - + 1
Mathematics
Find the real solutions of the equation by factoring.x3 - 4x = 0
A. {0, -2} B. {0, 2} C. {0, 2, -2} D. {0, 4}
Mathematics
Let R, F, L, B, T, U mean rotate 90° clockwise the right, front, left, back, top, and under faces, respectively. Name the move that will return the cube to standard position after making the move BU-1. ?
A. UB B. U-1B C. BU2 D. B2U2 E. UB-1
Mathematics