Math CentralQuandaries & Queries


Question from ranessa, a student:

Write the equation of the circle that satisfies the given condition.

C(0,8) ; R = 5

Hi Ranessa,

A point (x, y) is on the circle if its distance from the centre is 5. Use the distance formula to write the distance from (0, 8) to (x, y), set this expression equal to 5 and simplify.


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