STANDARD 17:.

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Presentation transcript:

STANDARD 17:

To find the equation of ANY circle you need to know 2 things: The radius The coordinates of the center If the radius is r and the center is (h, k), Then, to find the distance between a point on the circle (x, y) And the center (h, k) you use r If we square both sides, we get the Standard equation of a circle

Standard Equation of a Circle

We need two things: Radius and Center, so far we have the Center

Radius: Center:

Radius: Center:

Homework: Page 702: # 1, 2, 3 – 15 odds, 16, 17 – 25 odds, 26