The equation (x+5)^2 + (y+7)^2=81 is a variation of a circles standard formula (x - h)^2 + (y - k)^2 = r^2
The center of the circle is found by (h, k)
In this case:
h = -5
k = -7
Therefore the center is:
(-5, -7)
Hope this helped!
~Just a girl in love with Shawn Mendes
