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Algebra 1

8.4.1 Introducing the Zero Product Property

Algebra 18.4.1 Introducing the Zero Product Property

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Warm Up

What values of the variables make each equation true?

1.

Enter the value of a.

6 + 2 a = 0 6 + 2 a = 0

2.

Enter the value of b.

7 b = 0 7 b = 0

3.

Enter the value of c.

7 ( c 5 ) = 0 7 ( c 5 ) = 0

4.

Determine which of the statements are true if g·h=0g·h=0. HINT: There may be more than one statement that is true.

5.

What did you notice about one of the factors in each of the previous problems?

We will use the zero product property to help solve quadratic equations throughout this lesson.

ZERO PRODUCT PROPERTY

If the product of two expressions is 0, then one or both of the expressions equal 0.

If ab=0ab=0, then a=0a=0 or b=0b=0, or a=b=0a=b=0.

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