SOLUTION: I need help with this problem even though I am familiar with the equation of a circle. Question: Find all points (x,y) which lie on a circle with center (2,6) and radius of 5 if

Question 614467: I need help with this problem even though I am familiar with the equation of a circle. Question: Find all points (x,y) which lie on a circle with center (2,6) and radius of 5 if it's x-coordinate is twice its y coordinate. Only an algebraic solution is accepted. I can plot this with points using the center and radius but I just can't figure it out algebraicly.
Thank you
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find all points (x,y) which lie on a circle with center (2,6) and radius of 5 if it's [sic] x-coordinate is twice its y coordinate. Only an algebraic solution is accepted. I can plot this with points using the center and radius but I just can't figure it out algebraicly.
-------------------

x = 2y
Sub for x

y = 1, y = 3
--> (2,1) & (6,3)

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