1. Bellwork 1)Write in standard form. 2) 3)A student is solving an equation by completing the square. Write the step in the solution that appears just before

2. Lesson 4.8 Solve ax 2 + bx + c = 0 using Quadratic Formula

3. Objective Solve quadratic equations using quadratic formula

4. Standard 8.0 - Students solve and graph quadratic equations by factoring, completing the square, or using the quadratic formula. Students apply these techniques in solving word problems. They also solve quadratic equations in the complex number system.

5. Academic Language Quadratic Formula Discriminant

6. Think/Pair/Share What is the quadratic formula? Why use the quadratic formula?

7. What is the general formula for a quadratic equation? Can you solve all quadratic equations for x when y = 0?

8. Complete the square

10. Practice

11. Discriminant

13. More practice

14. Homework p.296 #1, 2, 9, 11, 19, 21, 29, 31, 39, 41