SOLUTION: with the equation: {{{2x^2-10x+2y^2-18y=1}}} how do I make an equation for a circle {{{(x-h)^2 + (y-k)^2 = r^2}}} I need to solve for center of circle and radius of circe. Thanks!
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-> SOLUTION: with the equation: {{{2x^2-10x+2y^2-18y=1}}} how do I make an equation for a circle {{{(x-h)^2 + (y-k)^2 = r^2}}} I need to solve for center of circle and radius of circe. Thanks!
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Question 155891: with the equation: how do I make an equation for a circle I need to solve for center of circle and radius of circe. Thanks! Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! with the equation: how do I make an equation for a circle I need to solve for center of circle and radius of circe. Thanks!
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You have to complete the squares of the x and y terms.
Divide thru by 2.
Then add amounts to complete the squares:
Collect terms
So the center is at (2.5,4.5), and the radius is 3*sqrt(3)
