Solve the equation by completing the square.x2 + 5x - 5 = 0

A.
B.
C. {-5 - 3, -5 + 3}
D.

Answer: A

Mathematics

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Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = 2x2 + 22x + 36

A. (-9, 0), (2, 0), (0, -36) B. (9, 0), (2, 0), (0, 36) C. (-9, 0), (-2, 0), (0, 36) D. (9, 0), (-2, 0), (0, -36)

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Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors.log4

A. log4x - 3
B. - 3log4x
C. 12 -  log4x
D. log4x - 3

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Mathematics

Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, ), on the circle , also lies on the terminal side of an angle ? in standard position. The point , on the circle , also lies on the terminal side of an angle ? in quadrant IV. h(? - ?)

A.  
B.
C.
D.

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Mathematics

Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 cos t, y = -2 sin t; 0 ? t ? 2?

A. 4x2 + 25y2 = 1; -  ? x ? 
B. 4x2 - 25y2 = 100; x ? 5
C. 4x2 - 25y2 = 1; x ? 
D. 4x2 + 25y2 = 100; -5 ? x ? 5

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Mathematics