1. Warm Up  What do you know about circles?

2. Algebra 3 Chapter 10: Quadratic Relations and Conic Sections Lesson 3: Circles

3. VOCAB  Circle – the set of all points (x,y) that are equidistant from the center  Radius – the distance between the center and any point on a circle

4. TODAY  Today we will learn how to graph circles algebraically

5. CIRCLES

6. Directions(Graphing)  Write the problem in standard form  Take the square root of r  Plot the 4 points on the graph  Draw your circle through the points

7. I DO (Graphing)

8. WE DO (Graphing)

9. YOU DO (Graphing)

10. REVIEW  Today you learned…

11. HOMEWORK  Worksheet  10.3B (1 – 6)

12. Warm Up  What is the standard form of a circle  What is the standard form of a parabola

13. Algebra 3 Chapter 10: Quadratic Relations and Conic Sections Lesson 3: Circles

14. TODAY  Today we will learn how to write the standard form equation of a circle when given a radius and whose center is the origin

15. Directions  Square the radius  Plug it into the formula

16. I DO (Equations with the radius)

17. WE DO (Equations with the radius)

18. YOU DO (Equations with the radius)

19. REVIEW  Today you learned…

20. HOMEWORK  Worksheet  10.3B (10 – 13)

21. Warm Up

22. Algebra 3 Chapter 10: Quadratic Relations and Conic Sections Lesson 3: Circles

23. TODAY  Today we will learn how to write the standard form equation of a circle when given a point on the circle and whose center is the origin

24. Directions  Find the distance from the point to the origin (this is your radius)  Square the radius  Plug it into the formula

25. I DO (Equations with the radius)

26. WE DO (Equations with the radius)

27. YOU DO (Equations with the radius)

28. REVIEW  Today you learned…

29. HOMEWORK  Worksheet  10.3B(10 - 13)  10.3B (14 – 17)