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QUADRATIC FUNCTIONS AND EQUATIONS Ch.4.4 Factoring Quadratic Expressions EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

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Presentation on theme: "QUADRATIC FUNCTIONS AND EQUATIONS Ch.4.4 Factoring Quadratic Expressions EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS."— Presentation transcript:

1 QUADRATIC FUNCTIONS AND EQUATIONS Ch.4.4 Factoring Quadratic Expressions EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

2 BELL WORK Read over page 216 in your textbook. Copy down the table on your bell sheet and fill it in with notes. EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS. FactoringGCF of an expression

3 REVIEW Solve |5a + 3| = 3 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

4 FACTORING QUADRATIC EXPRESSIONS EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS. Think… Why do we factor quadratic expressions? What do the solutions mean?

5 FACTORING QUADRATIC EXPRESSIONS WHEN A = 1 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS. What is the expression in factored form? X 2 + 9x + 20

6 FACTORING QUADRATIC EXPRESSIONS- PUTTING IT ALL TOGETHER Why are we even doing this? X 2 - 17x + 72 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

7 FACTORING QUADRATIC EXPRESSIONS Solve by factoring. X 2 + 18 = 9x EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

8 FACTORING QUADRATIC EXPRESSIONS What is the expression in factored form? -x 2 + 13x - 12 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

9 FACTORING QUADRATIC EXPRESSIONS What is the expression in factored form? -x 2 + 14x + 32 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

10 FACTORING QUADRATIC EXPRESSIONS Now you try… EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

11 “FACTORING OUT” 5x 2 + 10 x 7x 2 – 56x 6x 2 - 12 2x 2 + 4x + 12 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

12 “FACTORING OUT” Now you try… 1. 4x 2 + 2x 2. 3x 2 – 3x + 9 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

13 “FACTORING OUT” Now you try… 3. 2x 3 + 3x 2 + 5x 4. 2x + 4 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

14 CLOSURE (On your bell sheet) Describe how to factor the quadratic expression. What are the solutions in relation to the graph? x 2 – 10x +25 = 0 EQ: HOW CAN I FACTOR QUADRATIC EQUATIONS? I WILL FACTOR QUADRATIC EQUATIONS.

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