Question

Which is the equation of a 10 cm radius circle with its center at (3, 6)?
(Points : 5)
(x 3)2 + (y + 6)2 = 100

(x 3)2 + (y + 6)2 = 20

(x + 3)2 + (y 6)2 = 20

(x + 3)2 + (y 6)2 = 100

Answer 1

Equation of a circle with center (h,k) and radius r:
\[(x-h)^2+(y-k)^2=r^2\]

Answer 2

i still dont get it am i suppose to plug in something

Answer 3

What is the center of your circle?

Answer 4

Substitute 3 for h, 6 for k and r for 10!!!!!

Answer 5

thanks i get it now