Use the discriminant to identify the graph of the non-degenerate conic as a parabola, an ellipse, or a hyperbola.x2 + xy + y2 + 2x - 4y - 2 = 0
A. hyperbola
B. ellipse
C. parabola
Answer: B
Mathematics
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Solve.-5 ? -2z + 5 ? 1
A. -5 ? z ? -2 B. 2 < z < 5 C. 2 ? z ? 5 D. -5 < z < -2
Mathematics
Multiply.0.0071 × 8.7
A. 0.06177 B. 0.0006177 C. 0.6177 D. 0.006177
Mathematics
Solve the problem.Find the average rate of change illustrated in the graph.
Time (in hours)
A. 5 miles per hour B. 25 miles per hour C. 2.5 miles per hour D. 0.2 miles per hour
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = 3x4 - 25x3 + 83x2 - 103x + 26
k = 
A. 2, 
, 3 ± 2i
B. -2, 
, 3 ± 2i
C. -2, - 
, 2 ± 3i
D. 2, - 
, 2 ± 3i
Mathematics