Download presentation

1
**7-5 solving quadratic equations**

Objective: Solve quadratic equations and find if a quadratic equation has two solutions, one solution, or no solutions. Algebra 1 CP

2
Work with a partner Find the x-intercepts of y = - x2 – 2x + 3. What are the solutions of - x2 – 2x + 3 = 0?

3
**Standard form of a quadratic equation**

A quadratic equation is an equation that can be written in standard form: ax2 + bx + c = 0, where a ≠0 Ex: Write 6x2 = 5x – 12 in standard form.

4
Example 1 Solve 2x2 – 98 = 0

5
Example 2 Solve -2x = 0

6
Using a calculator Solve each equation by graphing the related function. a. x2 – 4 = 0 b. x2 = 0 c. x2 + 4 = 0

7
Homework Pg 340 # 2 – 18 even ,

Similar presentations

© 2021 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google