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Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
Lesson 1 Apr5 2010
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Lesson 1 Apr5 2010

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Transcript

  • 1. Circles
  • 2. Circle:   the set of points ( x , y ) that are  equidistant from a fixed point called the  centre of the circle.  Radius:  the distance between the centre of  the circle and any point ( x , y ) on  the circle
  • 3. y x
  • 4. Equation of a circle with centre at the origin:
  • 5. y Equation?  x
  • 6. Equation for parabola:  What does "h" do to the standard parabola?  What does "k" do to the standard parabola? 
  • 7. The standard form for equation of a circle:  where ( h, k ) is the centre and r is the radius
  • 8. Second form for circle equation:  where d, e, and f are real numbers and  completing the square of this equation will  convert it into standard form.
  • 9. Convert to standard form then graph: 
  • 10. y x
  • 11. Exercise 21 Questions 1 ­ 7

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