SOLUTION: which is an equation of the circle with a radius of 9 units and center at (-4,2) A.(x-9)^2+(y+4)^2=4 B.(x-4)^2+(y+2)^2=81 C.(x+4)^2+(y-2)^2=81 D.(x-2)^2+(y+4)^2=81

Question 375363: which is an equation of the circle with a radius of 9 units and center at (-4,2)
A.(x-9)^2+(y+4)^2=4
B.(x-4)^2+(y+2)^2=81
C.(x+4)^2+(y-2)^2=81
D.(x-2)^2+(y+4)^2=81
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The general equation for a circle centered at (h,k) with a radius R is:

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