1. Bellwork
1) 2) 3) 4) 5) 27 plus some number is 6. What is the number?

2. Lesson 4.7
Complete the Square

3. Objective
Solve quadratic equations by completing the square

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.
Students graph quadratic functions and determine the maxima

5. Think/Pair/Share
What do you remember about completing the square from Algebra I?

6. Discussion What are the solutions for a quadratic equation?
How do you find them?
X-intercepts
Set the equation equal to zero and solve for x

7. Example

8. If you can’t factor…….
You can complete the square

10. Find C (Vitamin and math)
Find a value of c that makes a perfect square trinomial.

11. Practice

13. What happens when a≠1?
Divide by a and then complete the square

14. Example

15. Homework
p.288 #1, 2, 9, 11, 19, 21, 27, 31, 61