SATify

Home Practice Exams Features Pricing Quick Start Guide About

Login Sign Up

Loading...

SAT Math Practice Question #17188 - SATify | SATify

#17188

circles

coordinate geometry

medium

90 sec

A circle in the $x y$ -plane has the equation $(x - 13)^{2} + (y - k)^{2} = 64$ . Which of the following gives the center of the circle and its radius?

A.

The center is at $(13, k)$ and the radius is $8$ .

B.

The center is at $(k, 13)$ and the radius is $8$ .

C.

The center is at $(k, 13)$ and the radius is $64$ .

D.

The center is at $(13, k)$ and the radius is $64$ .