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

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Presentation transcript:

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

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

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

1.Solve by Factoring 2x²-11x= -15

2.Solve by Factoring x²+6x+8=0

3.Solve by Factoring 3x²=16x+12

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

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

5. Solve by taking the square root 4x =0

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