Solve the system.(y - 1)2 = -x-(y + 1)2 = x - 8

A. (1, -2)
B. (-1, -2)
C. (1, 2)
D. (-1, 2)


Answer: D

Mathematics

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Translate the English sentence into a mathematical sentence and solve, if necessary. Use x as the variable.The height of a member of the basketball team is at least 81 inches.

A. x > 81  B. x < 81   C. x ? 81   D. x ? 81

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Perform the indicated operations.

A.
B.
C.
D.

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Determine whether the given point (x,y) is on the unit circle.

A. Yes B. No

Mathematics

Find the product, if possible.   

A.

B.

C.

D. Not defined

Mathematics