1 / 5

Parabola

Parabola. Sinead Gormally, Dannielle Garceau, Nicole Dillon, Chyna Marino. Definitions.

gabby
Télécharger la présentation

Parabola

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Parabola Sinead Gormally, Dannielle Garceau, Nicole Dillon, Chyna Marino

  2. Definitions • Parabola: A Parabola is the collection of all points P in the plane that are the same distance from a fixed point F as they are from a fixed line D. Point F is the Focus of the Parabola and line D is its directrix. |a| - is the distance from the focus to the vertex. • (x-h)2= ± 4a(y-k) – Used for a parabola facing up or down. Facing up is a positive parabola and down is a negative parabola. Directrix is a y line. • (y-k)2= ±4a(x-h) – Used for a parabola facing left or right. Facing right is a positive parabola and left is a negative parabola. Directrix is a x line. • (h,k) represents the center.

  3. VIDEO TUTORIAL #1!!!!!!!!!! • https://www.youtube.com/watch?v=eGsn8yHtfP4 (intro ;) • http://www.youtube.com/watch?v=a4NZSIARRhc (analyzing a parabola)

  4. Video tutorial #2!!!!!!!!!!!! • http://www.youtube.com/watch?v=AVLXNyDogMs (completing the square)

  5. FACT SHEET- PRINTABLE!! • Parabola: A Parabola is the collection of all points P in the plane that are the same distance from a fixed point F as they are from a fixed line D. Point F is the Focus of the Parabola and line D is its directrix. |a| - is the distance from the focus to the vertex. • (x-h)2= ± 4a(y-k) – Used for a parabola facing up or down. Facing up is a positive parabola and down is a negative parabola. Directrix is a y line. • (y-k)2= ±4a(x-h) – Used for a parabola facing left or right. Facing right is a positive parabola and left is a negative parabola. Directrix is a x line. • (h,k) represents the center. • Practice Problems!!!!!!!!!!!! -FIND THE EQUATION & GRAPH!!!!!!!!!!!!!! • Focus at (4,-3), Directrix the line x=0!!!! • Word Problem: A reflector is parabolic in cross section, with receiver at focus. Dish is 8 ft across at its opening and 3 ft deep at its center. At what position should the receiver be placed????

More Related