Question

If (m, −3) is on a circle with center (−4, −3) and radius 8, what is a value of m?

m equals negative four plus or minus square root of 55 end square root
m = 3
m = 12
m = −12

Answer 1

Hello,

Answer C m=-12

(x+4)²+(y+3)²=8²
y=-3

(x+4)²=8²
==>(x+4-8)(x+4+8)=0
==>x=4 or x=-12