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SAT Math Practice Question #12574 - SATify | SATify

#12574

coordinate geometry

circles

geometry

medium

25 sec

A circle in the $x y$ -plane has the equation $(x - 5)^{2} + (y - p)^{2} = 49$ . Which of the following gives the center of the circle and its radius?

A.

The center is at $(5, p)$ and the radius is 7.

B.

The center is at $(p, 5)$ and the radius is 7.

C.

The center is at $(p, 5)$ and the radius is 49.

D.

The center is at $(5, p)$ and the radius is 49.