Section 4-4 Factoring ax2 bx c = 0 a is not 1

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Section 4-4Factoring ax2 bx c 0a is not 1

• Swing Divide

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Objectives

• I can factor trinomials using Swing and Divide
  Method

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Factoring a Trinomial

• When factoring an expression with 3 terms you
  will always get two factors
• x2 bx c

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Swing and Divide Method

• The Swing Divide method is very similar to
  Reverse FOIL, but with 2 extra steps
• You can use this method when the number in front
  of the x2 term is not 1
• EX 2x2 x - 3

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Swing Divide

• 2 Steps
• Swing and
• Divide
• Dont do one without doing the 2nd

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Swing Divide Method
Swing
Final Factors
Now use FOIL
Divide by Swing
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Reducing and Checking

• Always reduce fractions before finding final
  factors
• Use TWO Finger Check when done

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Example 2
Swing
Final Factors
Now use FOIL
Divide by Swing
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Example 3
Swing
Reduce
Final Factors
Now use FOIL
Divide by Swing
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Board 1
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Board 2
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Board 3
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Homework

• WS 5-4