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9.6 Circles in the Coordinate Plane Date: ____________
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Circles Standard Equation of a Circle 9.3 Circles (x – h) 2 + (y – k) 2 = r 2 center: (h, k) radius: r
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Write the equation of the circle that whose center is at (5,3) and whose radius is 6.
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Write the equation of the circle that whose center is at (-2,4) and whose radius is 3.
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Write the equation of the circle that whose center is at (-1,-6) and whose radius is 6.
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Write the equation of the circle that whose center is at (0,4) and whose radius is 2.
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Find the center and radius of the circle. Then write the equation of the circle. x y Center = Radius = (1,2) 3
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Find the center and radius of the circle. Then write the equation of the circle. x y Center = Radius = (-1,0) 4
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Find the center and radius of the circle. Then graph the circle. Center = Radius = (-1,3) 4 x y
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Find the center and radius of the circle. Then graph the circle. Center = Radius = (-3,-2) 2 x y
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Find the center and radius of the circle. Then graph the circle. Center = Radius = (4,1) 5 x y
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