Question

the points P(-1,2), Q(3,-2), and R(3,-4) lie on a circle. write the equation of the circle.

Answer 1

plug these to \[x^2+y^2+2gx+2fy+c=0\] and find f,g,c.

Answer 2

ok

Answer 3

that looks easier than my way :)

I was gonna determine the width and height of the segment and find a radius to apply.....

Answer 4

but that wouldnt work nicelly here since the points arent behaving lol

Answer 5

haha thanks. still dont get it but that ok : )