Find the magnitude of the vector.u = 

A.
B. 5
C.
D. 25


Answer: B

Mathematics

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Solve the problem.Find the point on the parabola    that is closest to the line    Use the fact that the line connecting the closest points on each curve is normal to both curves.

A.
B.
C.
D.

Mathematics

Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.9x2 + 12x + 4 = 0

A. one rational solution B. two nonreal complex solutions C. two irrational solutions D. two rational solutions

Mathematics

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

Determine the standard equation of the hyperbola with the given characteristics.The vertices are at (-4, -6) and (-4, 2); an asymptote has equation y + 2 = - (x + 4).

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

Mathematics