Find the standard-form equation of the ellipse.
A. 81x2 + 25y2 = 1
B. 9x2 + 5y2 = 1
C. +
= 1
D. +
= 1
Answer: C
Mathematics
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A. No B. Yes
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Find the distance d(A, B) between the points A and B.A(4, 1); B(-1, -5)
A. 1
B. 30
C.
D.
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Look for a pattern and then predict the general term, or nth term, an, of the sequence.9, 21, 33, 45, 57, . . .
A. an = 3n - 12 B. an = 12n - 1 C. an = 3(4n - 1) D. an = 9(12)n-1
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Classify the angle as acute, obtuse, right, or straight.
A. Acute B. Straight C. Right D. Obtuse
Mathematics