Desmos Graphing Calculator

CalcReferenceCopy

Math·Geometry and Trigonometry·Circles

hard

$(x+3{)}^2+(y-18{)}^2=169$

The graph of the given equation is a circle in the xy-plane. The point $(a,b)$ lies on the circle. Which of the following is a possible value for $a$?

A

$-17$

B

$-11$

C

$13$

D

$18$