How Do We Use Circle Equations to Solve Problems?
What is the midpoint?
(5,2) and (-3,-4) -4+2=-2
5+-3=2 -2/2=-1
2/2=1 -1=y
1=x
m=(1,-1)
What is the distance from (1,-1) to (5,2)?
d= (5-1)^2+ (2+1)^2
d= 16+9
d= 25
d=5
