Find an equation for the ellipse described. Graph the equation.Vertices at (5, -4) and (5, 8); length of minor axis is 6

A.  +  = 1

B.  +  = 1

C.  +  = 1

D.  -  = 1


Answer: C

Mathematics

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Rationalize the denominator.

A.
B.
C.
D.

Mathematics

Solve the problem.To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 6 minutes each week. Write the general term of this arithmetic sequence, and find how many weeks it takes for him to reach a jogging time of one hour.

A. an = 6n +5; 10 weeks B. an = 6n + 11; 9 weeks C. an = 6n + 11; 10 weeks D. an = 6n + 5; 9 weeks

Mathematics

Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: 2, multiplicity 2; -2, multiplicity 2; degree 4

A. f(x) = x4 + 4x3 - 8x2 + 8x - 16 B. f(x) = x4 + 8x2 + 16 C. f(x) = x4 - 8x2 + 16 D. f(x) = x4 - 4x3 + 8x2 - 8x + 16

Mathematics

Find the indicated sum.

A.
B.
C.
D.

Mathematics