Question

Write an equation of a circle is centered at (2,-3) with a radius of 7 

Answer 1

`(x-2)^2+(y+3)^2=49`

Explanation:

`(x-h)^2+(y-k)^2=r^2\\(x-2)^2+(y-(-3))^2=7^2\\(x-2)^2+(y+3)^2=49`