Section 5'2 Factoring Trinomials - PowerPoint PPT Presentation

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Section 5'2 Factoring Trinomials

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Stare with the trinomial and pretend that you have a factorization. This means that to find the correct factorization we must find two numbers m and ... – PowerPoint PPT presentation

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Title: Section 5'2 Factoring Trinomials


1
Section 5.2Factoring Trinomials
2
Using FOIL we find the product of two binomials.
3
The two binomials represent the trinomial in
factored form.
Our job in this section is to rewrite simple
trinomials in factored form.
4
Stare with the trinomial and pretend that you
have a factorization.
5
Factoring a Trinomial
First list the factors of 24.
Check with Multiplication.
Now add the factors.
25
1 24
2 12
14
3 8
11
10
4 6
Notice that 4 and 6 sum to the middle term.
6
Factor
First list the factors of 56.
Check with Multiplication.
Now add the factors.
57
1 56
2 28
30
4 19
23
15
7 8
Notice that 7 and 8 sum to the middle term.
7
Factor
First list the factors of 24.
Check with Multiplication.
Now add the factors.
25
1 24
2 12
14
3 8
11
10
4 6
Notice that 2 and 12 sum to the middle term.
8
Factor
First list the factors of 5.
Check with Multiplication.
Now subtract the factors.
4
1 5
Notice that 1 and 5 have a difference of the
middle term.
9
Homework5.2Page 3131- 83Odd
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