SOLUTION: Which of the following equations is an equation of a circle with radius 6 and center at (-5,2) The correct answer is one of the following. Which one is correct? A) (x+5)^2+

Question 1199031: Which of the following equations is an equation of a circle with radius 6 and center at (-5,2)

The correct answer is one of the following. Which one is correct?
A) (x+5)^2+(y-2)^2=36
B) (x-5)^2+(y+2)^2=36
C) (x+5)^2+(y-2)^2=6
D) (x-5)^2+(y+2)^2=6
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!


Take the equation:



Substitute (h,k) as (-5,2), that is, substitute -5 for h and 2 for k.
Also substitute 6 for r.

Then simplify to one of those answers.

It's just a matter of carefully watching your signs.

Edwin

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