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Factor: 1. 2x 2 – 3x + 1 2. 2x 2 - 8x + 6 3. 4x 2 – 10x – 20.

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Presentation on theme: "Factor: 1. 2x 2 – 3x + 1 2. 2x 2 - 8x + 6 3. 4x 2 – 10x – 20."— Presentation transcript:

1 Factor: 1. 2x 2 – 3x + 1 2. 2x 2 - 8x + 6 3. 4x 2 – 10x – 20

2

3 Zero-Product Property If ab = 0, then a = 0 or b = 0 3(0) = 0 (0)(3) = 0

4 Steps 1.Write in standard form 2.Factor the Quadratic Expression 3.Set each term = 0 4.Solve for x 5.Check

5 1.Solve by Factoring 2x²-11x= -15

6 2.Solve by Factoring x²+6x+8=0

7 3.Solve by Factoring 3x²=16x+12

8 Solve by taking the square root Steps: 1. Solve for x 2. Take the square root of both sides 3. Put ± next to the answers

9 4. Solve by taking the square root 5x² - 180 = 0

10 5. Solve by taking the square root 4x 2 -100=0

11 6. Solve by taking the square root (x + 7) 2 = 49


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