Find the foci of the given hyperbola.y2 - 4x2 = 4

A. (0, 2), (0, -2)
B. (, 0), (-, 0)
C. (0, ), (0, -)
D. (2, 0), (-2, 0)


Answer: C

Mathematics

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B.
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A. {(-7, 8), (-7, 12), (20, -9)} B. {(-7, 8), (15, 12), (20, -9)} C. {(8, 15), (8, 12), (20, -9)} D. {(-7, 8), (-9, 12), (20, 15)}

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Multiply and simplify. ? 3b

A. b
B.
C.
D. 11b

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