Find the vertices and foci of the ellipse.9x2 + 64y2 = 576
A. Vertices: (±3, 0); Foci: (±
, 0)
B. Vertices: (±8, 0); Foci: (±
, 0)
C. Vertices: (0, ±8); Foci (0, ±
)
D. Vertices: (0, ±3); Foci (0, ±
)
Answer: B
Mathematics
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The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).g(x)
f(x)
A. -1 ? x ? 4 B. x ? 2 or 1 ? x ? 4 C. x ? -1 or 1 ? x ? 4 D. 1 ? x ? 4
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Evaluate the expression for the given replacement values.x2 for x = -1.6
A. -25.6 B. -3.2 C. 2.56 D. -2.56
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Factor the trinomial completely.6y2 + 27y - 15
A. 3(2y + 1)(y - 5) B. 3(2y - 1)(y + 5) C. (6y - 3)(y + 5) D. prime
Mathematics