1 / 6

Solving Quadratic Inequalities

Solving Quadratic Inequalities. Saturday, January 4, 2020. Essential Question: How do we solve quadratic inequalities algebraically?. Lesson 3.9B. To solve quadratic inequalities algebraically:. Change the inequality symbol to = Get the equation =0 Factor

millernorma
Download Presentation

Solving Quadratic Inequalities

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. Solving Quadratic Inequalities Saturday, January 4, 2020 Essential Question: How do we solve quadratic inequalities algebraically? Lesson 3.9B

  2. To solve quadratic inequalities algebraically: Change the inequality symbol to = Get the equation =0 Factor Solve to get “critical x-values” Use a number line to test regions! State the solution

  3. 1 –2 Solve the quadratic inequality algebraically. 1. Find the x-intercepts . (x + 2)(x – 1)=0 x = –2 or x = 1 The solutions are x < –2 or x > 1 3

  4. Solve the quadratic inequality algebraically. 2. Find the x-intercepts. x2 – x – 12 = 0 (x + 3)(x – 4)=0 x = –3 or x = 4 The solutions are –3 < x < 4 4

  5. Solve the inequality algebraically 3.

  6. Solve the inequality algebraically 4. x < 1 x > 2

More Related