Question

center and radius of x^2+y^2+14x-10y+65=0 ?

Answer 1

Step-by-step explanation:

x^2+y^2+14x-10y+65=0

center=

{-14/2,10/2}

{-7,5}

Radius=

$\frac{\sqrt{14^2+(-10)^2+4(-65)}}{2}$

3