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10.3 Circles
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10.3 Circles

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Transcript

  • 1.  
  • 2.  
  • 3. 10.3 Circles
  • 4. A circle is. . .
  • 5. Standard form for the equation of a circle: Circle Demo
  • 6. Example 1 . Write the equation of the circle.
    • Center (-4, 3), radius 4
    • Center (5, -2), radius 8
  • 7. Example 2. Find the center and radius of each circle.
    • (x – 16) 2 + (y + 9) 2 = 144
    • (x + 8) 2 + (y + 3) 2 = 121
    • x 2 + y 2 = 2
  • 8. Example 3 . Find the center and radius .
    • a. x 2 + y 2 - 6x – 2y + 4 = 0
    • b. x 2 + y 2 – 14x – 2y = -1
  • 9.  
  • 10. Assignment: