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The Circle. Examples (1) – (5) Determine the center and radius of the circle having the given equation. Identify four points of the circle.

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Presentation on theme: "The Circle. Examples (1) – (5) Determine the center and radius of the circle having the given equation. Identify four points of the circle."— Presentation transcript:

1 The Circle

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3 Examples (1) – (5) Determine the center and radius of the circle having the given equation. Identify four points of the circle.

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5 Solutions

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15 EXAMPLE (6) Find the equation of the circle with radius 4 and center at (3, -2)

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17 EXAMPLE (7) Find the radius and center of each of the following circles: 1.. 9x 2 + 9y 2 = 9 2.. 9x 2 + 9y 2 = 900 3.. 9x 2 + 9y 2 = 25 4.. 3(x+2) 2 + 3y 2 = 27 5.. 2x 2 + 2(y-1) 2 = 8 6.. 2(x-5) 2 + 2(y+1) 2 = 4

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