Provide the proper response.Without graphing, justify why x2 + 4 - 4x - 16y + 64 = 0 is the equation of a parabola.

What will be an ideal response?


The coefficients of x2 and y are not zero but the coefficient of y2 is zero.

Mathematics

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Simplify.

A. 4
B. 16
C. 4
D. 4 

Mathematics

Find the domain of the expression.

A. {x|x ? -2 and x ? -4} B. {x|x ? -8 and x ? +8} C. {x|x ? 2 and x ? 4} D. {x|x ? 0}

Mathematics

Simplify. Assume that no radicands were formed by raising negative quantities to even powers.

A. -15
B. 25
C. -25
D. 15

Mathematics

P( X > 0.3)

The random variable X has the probability density function over [0,?) .
Compute the following quantity.

Mathematics