Find the standard form of the equation of the hyperbola.

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1


Answer: D

Mathematics

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A. ?
B.
C. ?
D. ?
E. ?

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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log N-15

A. -15 + log N B. -15log N C. 15 + log N D. 15log N

Mathematics

Solve the nonlinear system of equations.  x2 - 3y2 = 14x2 + 3y2 = 19

A. {(2, 1), (2, -1), (-2, 1), (-2, -1)} B. {(1, 2), (-1, 2), (1, -2), (-1, -2)} C. {(-1, 2), (1, -2)} D. {(2, 1), (-2, -1)}

Mathematics