The standard form of the equation of a circle is: [tex](x - a) {}^{2} + (y - b) {}^{2} = r {}^{2} [/tex] Where the point (a,b) represents the centre and r is the radius. So, given your information, the equation will be: [tex] {(x + 4)}^{2} + {(y + 3)}^{2} = 25[/tex]
