Graph the ellipse and label the center. +  = 1

A. C(-8, -12)

B. C(8, 12)

C. C(8, -12)

D. C(-8, 12)


Answer: A

Mathematics

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Find the first five terms of the arithmetic sequence with the given first term and common difference.a1 = -27, d = 5

A. -27, -22, -17, -12, -7 B. -17, -22, -27, -32, -37 C. -7, -12, -17, -22, -27 D. -17, -12, -7, -2, 3

Mathematics

The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).y = 5

A. r cos ? = 5 B. r sin ? = 5 C. sin ? cos ? = 5 D. r = 5

Mathematics

Simplify the expression.

A.
B. 4x
C.
D. x 

Mathematics

There are four urns that look the same. In one urn (the special urn), half of the marbles are blue. But only 1/8 of the marbles in the other urns are blue. You pick one of the urns at random and randomly select a marble from it. The marble is blue. What is the strength factor of the evidence you just got that you picked the special urn?

A. 16 B. 2 C. 1/4 D. 4

Mathematics