1 / 11

Algebra II Honors—Day 47

Algebra II Honors—Day 47. Warmup. Tell the number of possible positive, negative, and imaginary zeros for the following function:. Goals for today. Reminders: Group quiz tomorrow—on new material through Descartes’ Rule of Signs Essential Question/New Material. Essential Question.

gary-davidson
Télécharger la présentation

Algebra II Honors—Day 47

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. Algebra II Honors—Day 47

  2. Warmup • Tell the number of possible positive, negative, and imaginary zeros for the following function:

  3. Goals for today • Reminders: • Group quiz tomorrow—on new material through Descartes’ Rule of Signs • Essential Question/New Material

  4. Essential Question • How do I find the roots of a polynomial function? • How do I determine an equation and graph of a polynomial function given its roots?

  5. Rational Zero Theorem • Use Descartes’ Rule of Signs to identify the number of possible positive and negative zeros. • Use handout for notes and examples on the Rational Zero Theorem.

  6. Writing equations from roots • When you know ALL the roots of an equation, write the FACTORS and multiply them together. • EXAMPLE: Given these roots, write the equation • Use the roots to write the factors and multiply them.

  7. More Practice—Write equations Why?? Roots: Factors: Equation:

  8. More Practice—Write equations Multiply the complex conjugates first to get rid of the imaginary number Roots: Factors: Equation:

  9. More Practice—Write equations Roots: Factors: Equation: NEXT SCREEN!!!

  10. More Practice—Write equations Multiply the two factors with imaginary numbers to get a difference of squares. Equation:

  11. Homework • Handout • P. 405—even only • P. 406—#1, 3

More Related