Use the discriminant to identify the graph of the non-degenerate conic as a parabola, an ellipse, or a hyperbola.2x2 + 4xy + 2y2 + 3x - 2y = 0
A. parabola
B. hyperbola
C. ellipse
Answer: C
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Plot the point whose polar coordinates are given.(-2, 5?/4)
A. 
B. 
C. 
D. 
Solve the problem.In a complete graph with 12 vertices (A through L), the total number of Hamilton circuits (including mirror-image circuits) that start at vertex A is
A. 12!. B. 10!. C. 11!. D. 13!. E. none of these
Write an equation for the parabola.vertex: (-3, 4), directrix: y = 10
A. (y + 3)2 = 8(x - 4) B. (x + 3)2 = -24(y + 4) C. (x + 3)2 = -24(y - 4) D. (y + 3)2 = -24(x - 4)
Compute the average rate of change of f from x1 to x2. Round your answer to two decimal places whenappropriate. Interpret your result graphically.f(x) = 
, x1= 1 and x2= 3
A. 0.58; the slope of the line passing through (1, f(1)) and (3, f(3)) is 0.58. B. 0.71; the slope of the line passing through (1, f(1)) and (3, f(3)) is 0.71. C. -0.71; the slope of the line passing through (1, f(1)) and (3, f(3)) is -0.71. D. -0.58; the slope of the line passing through (1, f(1)) and (3, f(3)) is -0.58.