Question

Write an equation in standard form of a circle with the given center and radius.

1. center (8,1) ; radius 5

Answer 1

Do you know the standard form?

Answer 2

no

Answer 3

the form is

(x-h)^2+(y-k)^2=r^2

where (h, k) is the center

Answer 4

h=8
k=1
r=5

substitute and get the form

Answer 5

Yeap, so you just need to insert your given information.