Question

How do you Write the equation of the circle centered at (1,3) with radius 17?

Answer 1

`(x-1)^2+(y-3)^2=289`

Explanation:

Formula is `(x-a)^2+(y-b)^2=r^2` where `(a,b)` is the centre and `r` is the radius.

`17^2=289`