Making graphs and solving equations of circles.

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Presentation transcript:

Making graphs and solving equations of circles

* It does not pass the vertical line test

* If the center is at (0,0), then you can use the distance formula to find the radius

* Equation of a circle with center (0,0) is

* The equation of a circle must be transformed into 2 functions in order to graph it on a graphing calculator * Isolate y and then enter the positive and negative square roots into the calculator as 2 functions, the graph them together to form a circle

* Write the equation of the circle with center (-4,5) and radius 5

* Write equation of circle with center (3,-2) and that contains the point (-4,2)

* Write the equation of the circle that has a diameter whose endpoints are located at (7,5) and (3,3)