Find the vertices and foci of the ellipse.64x2 + 25y2 = 1600
A. Vertices: (0, ±5); Foci: (0, ±)
B. Vertices: (±8, 0); Foci: (±, 0)
C. Vertices: (±5, 0); Foci: (±, 0)
D. Vertices: (0, ±8); Foci: (0, ±)
Answer: D
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A. 0 B. -1, 0 C. -1 D. 1, 0
Find the equation of the circle from the given information.The points (-9, 2) and (-1, -8) are the ends of a diameter.
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Multiply the monomials.(m4n)2(-5mn4)
A. 5m9n6 B. -5m8n8 C. -5m9n6 D. -10m5n5