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12.5 Circles in the Coordinate Plane. Theorem 12.16 – Equation of a Circle An equation of a circle with center (h , k) and radius r is: This form is also known as the standard form of an equation of a circle. Writing the Equation of a Circle.
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12.5 Circles in the Coordinate Plane • Theorem 12.16 – Equation of a Circle • An equation of a circle with center (h , k) and radius r is: • This form is also known as the standard form of an equation of a circle.
Writing the Equation of a Circle • What is the standard equation of the circle with center (5 , -2) and radius 7?
Using the Center and a Point on a Circle • What is the standard equation of the circle with center (1 , -3) and passes through (2 , 2)?
More Practice!!!!! • Homework – Textbook p. 801 #8 – 28 EVEN!!!!!