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QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION.

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Presentation on theme: "QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION."— Presentation transcript:

1 QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

2 BELL WORK 1.What is the expression in factored form? 5x 2 – 18x – 8 2. Read over page 226 to fill in the box. EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING. Zero of a Function

3 REVIEW 1. What is the graph of y = (x – 2) 2 – 3 (Vertex Form) 2. What is the graph of -3|x| + 4? (Vertex Form) 3. What is the graph of x 2 + 2x + 3? (Standard) EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

4 RANDOMNESS… Pass out take home quiz (this is DUE THURSDAY) Reminder- Piecewise Functions from this past Thursday is DUE TOMORROW. If you need help, you can see me during PH. Pass out ID cards. EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

5 ESSENTIAL UNDERSTANDING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

6 SOLVING A QUADRATIC BY FACTORING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

7 SOLVING A QUADRATIC BY FACTORING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

8 SOLVING A QUADRATIC BY FACTORING Now you try… EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

9 THINK What is the difference between asking you to factor this equation, and asking for the solutions of this equation? X 2 + 3x + 2 EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

10 SOLVING A QUADRATIC BY GRAPHING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

11 SOLVING A QUADRATIC BY GRAPHING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING. X 2 + 6x + 8 = 0

12 SOLVING A QUADRATIC BY GRAPHING Now you try… What are the solutions? x 2 – 2x – 24 = 0 EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

13 EXIT TICKET (On your bell sheet) Describe what the zero of a function is. How can you use this information to help you graph a quadratic function? EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

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