Graph the ellipse.100x2 + 16y2 = 1600
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Sketch the level curve z = k for the indicated values of k.z = x + y2, k = -4, -1, 0, 1, 4
A. 
B. 
C. 
D. 
Mathematics
Replace the polar equation with an equivalent Cartesian equation. r = 46 sin ?
A. x2 + (y - 23)2 = 529 B. y = 46 C. (x - 23)2 + y2 = 529 D. x2 + (y - 46)2 = 529
Mathematics
Find the area.A garden plot is in the shape of a parallelogram. Find the area. 
A. 60 m2 B. 225 m2 C. 112.5 m2 D. 30 m2
Mathematics
Find the equation that the given graph represents.
A. f(x) = -x3 + 20x B. f(x) = x3 - 4x2 + 20x C. f(x) = -x3 + 4x2 - 9 D. f(x) = x3 + 9x
Mathematics