SOLUTION: Determine the value of c so that the given circle has a radius of 2. X^2-6x+y^2+8y=c

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Question 781960: Determine the value of c so that the given circle has a radius of 2.
X^2-6x+y^2+8y=c
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Determine the value of c so that the given circle has a radius of 2.
X^2-6x+y^2+8y=c
x%5E2+-+6x+%2B+9+%2B+y%5E2+%2B+8y+%2B+16+=+c+%2B+25+=+4
c = -21