Home Practice Exams Features Pricing Quick Start Guide About

Login Sign Up

Loading...

SAT Math Practice Question #38938 - SATify | SATify

#38938

visualization

algebra

tangents

graphs

equations

circles

coordinate geometry

geometry

medium

75 sec

Calculator OK

A circle in the $x y$ -plane has its center in the first quadrant and is tangent to both the $x$ -axis and the $y$ -axis. If the radius of the circle is 7, which of the following is the equation of the circle?

A.

$(x - 7)^{2} + (y - 7)^{2} = 49$

B.

$(x + 7)^{2} + (y + 7)^{2} = 49$

C.

$(x - 7)^{2} + (y - 7)^{2} = 7$

D.

$(x - 7)^{2} + (y + 7)^{2} = 49$