Solution

radius

Solution

Solution steps
Rewrite in the form of the standard circle equation
Therefore the circle properties are:
And the radius is:

Graph

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Popular Examples

circumference x^2+y^2=25circumference x^2+y^2-6x+8y=144circumference x^2+y^2=49circumference x^2+y^2-2x-6y-6=0circumference x^2+y^2=36

Frequently Asked Questions (FAQ)

  • What is the radius y^2=4-x^2 ?

    The radius y^2=4-x^2 is r=2