Question
Find the center (h,k) and radius r of the circle with the given equation.
4(x+4)^2 + 4(y-6)^2 = 324
4(x+4)^2 + 4(y-6)^2 = 324
Answers
drwls
Your equation can be rewritten
(x+4)^2 + (y-6)^2 = 81
This is the equation of a circle with radius sqrt(81) = 9, and center at (-4, 6)
(x+4)^2 + (y-6)^2 = 81
This is the equation of a circle with radius sqrt(81) = 9, and center at (-4, 6)