1 / 5

f ( x ) = x 2 – 18 x + 16

Bell Ringer: Find the zeros of each function. 4. f ( x ) = x 2 – 18 x + 16. 5. f ( x ) = x 2 + 8 x – 24. Objectives. Define and use imaginary and complex numbers. Solve quadratic equations with complex roots. x 2 = –144. x 2 = –144. (–12 i ) 2. (12 i ) 2. – 144. – 144.

rogan-anderson
Download Presentation

f ( x ) = x 2 – 18 x + 16

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. Bell Ringer: Find the zeros of each function. 4. f(x) = x2– 18x + 16 5. f(x) = x2+ 8x – 24

  2. Objectives Define and use imaginary and complex numbers. Solve quadratic equations with complex roots.

  3. x2 = –144 x2 = –144 (–12i)2 (12i)2 –144 –144 144i 2 –144 144i 2 –144   –144 144(–1) –144 144(–1) Example 2A: Solving a Quadratic Equation with Imaginary Solutions Solve the equation. Take square roots. Express in terms of i. Check

  4. The discriminant is part of the Quadratic Formula that you can use to determine the number of real roots of a quadratic equation.

  5. Caution! Make sure the equation is in standard form before you evaluate the discriminant, b2 – 4ac.

More Related