Lesson 19

Part III (Introduction to Conics, continued)

One conic section that we have not talked about yet is the parabola. When we put a parabola into standard conic form, it will look different than what you would expect.

1. Exploring the Standard Form of a Parabola

2. Exploring the Standard Form of a Parabola (Again)

Part III


Practice Exercises

  1. Open the eActivity named L19_PartIII_a in the Lesson 19 folder.
  2. Expand the Conics Editor strip labeled Exercise 1.
  3. Graph the equation inside and then change the equation so that it opens in the opposite direction.
  4. With the new equation and its graph showing, get a screen capture. Paste it into your Lesson19 document (under a title of PART III).
  5. Use the upper right or open the menu and select eActivity to return to eActivity.
  6. Expand the Conics Editor strip labeled Exercise 2.
  7. Graph the equation inside and then change the equation so that it opens in the opposite direction.
  8. With the new equation and its graph showing, get a screen capture. Add two blank spaces following the first screen capture and then paste this one.
  9. Return to eActivity. You have two options!
  10. Save your work as an eActivity named L19_PartIII_a_your initials here.
  11. Open the eActivity named L19_PartIII_b in the Lesson 19 folder.
  12. This is another eActivity that I found at Canyon's Corner.
  13. Read through the eActivity, opening each Geometry strip along the way and have fun!
  14. With the strip labeled Animation open, get a screen capture. Add two blank spaces following the second screen capture and then paste this one.
  15. You can try the Your turn! Part if you want to, it is up to you.

Part IV

Reflection Exercises

You have just completed the nineteenth lesson in ClassPad 101. You are doing great (thank you). Please take a few moments to copy and paste the following three questions at the end of your Lesson 19 document and answer them.

  1. Approximately how long did it take you to complete this lesson?
  2. Which activity did you enjoy the most?
  3. Did you find any part of this activity difficult to follow? If so, which part? Also, how did you overcome the difficulty?

Assessment 19: Introduction to Conics