Solve for x. Be sure to reduce your answer. Check your solution.- 
x = - 
A. x = 9
B. x = 8
C. x = -3
D. x = 5
Answer: D
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Find parametric equations for the line described below.The line through the point P(-1, 1, 2) parallel to the vector 
A. x = 2t - 1, y = 7t + 1, z = -7t + 2 B. x = -2t - 1, y = 7t + 1, z = -7t + 2 C. x = 2t + 1, y = 7t - 1, z = -7t - 2 D. x = -2t + 1, y =7t - 1, z = -7t - 2
Solve the equation.
= 12
A. x = 2 B. x = 17 C. x = 16 D. x = 60
Find the eccentricity of the ellipse.Find the eccentricity of an ellipse centered at the origin having a focus of 
and corresponding directrix 
A. 
B. 
C. 
D. 
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3 (even), -2 (even), -1 (even), 0 (even), 1 (even) B. -3 (even), -2 (even), -1 (even), 0 (odd), 1 (even) C. -3 (odd), -2 (odd), -1 (odd), 0 (odd), 1 (odd) D. -3 (odd), -2 (odd), -1 (odd), 0 (even), 1 (odd)