Solve the equation by completing the square.2x2 + 6x = -2
A. 
B. 
C. 
D. 
Answer: C
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.2x - t2 - t = 0, 2ty + 6t2 = 6, t = 1
A. - 6 B. 9 C. - 9 D. - 4
Set up an integral for the area of the surface generated by revolving the given curve about the indicated axis.y = sinx, 0 ? x ? ?/4; x-axis
A. 
dx
B. 2?
dx
C. 
dx
D. 2?
dx
Find the mean.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean of the data.3.5 1.6 2.4 3.7 4.13.9 1.0 3.6 4.2 3.43.7 2.2 1.5 4.2 3.42.7 0.4 3.7 2.0 3.6
A. 3.27 in. B. 2.94 in. C. 2.80 in. D. 3.09 in.
Use Pascal's triangle to expand the binomial.(x - 3)4
A. x4 - 12x3 + 54x2 + 12x + 81 B. x4 - 12x3 + 54x2 - 108x + 81 C. x4 - 3x3 + 54x2 - 54x + 81 D. x4 - 12x3 - 54x2 - 108x + 81