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Published byHelena Jones Modified over 9 years ago
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Warm Up Factor: 1. 2.
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Homework Check 6.4
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Factoring
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Factoring a polynomial means expressing it as a product of other polynomials.
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Look for the GCF! What is the GCF? 2x 3 + 4x 2 – 6x Factor OUT the GCF!!! Step #1
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Step #2 2x(x 2 + 2x – 3) ax 2 + bx + c Find the numbers that are factors of ‘a·c’ GCF, leave it alone on the outside!
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Step #3 ax 2 + bx + c Which of those factors in step 2 add to give you ‘b’?
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1) x 2 + 9x + 20 Find the numbers that are factors of ‘a·c’ and add to give you ‘b’.
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Find 2 numbers that are factors of ‘a·c’ and add to give you ‘b’. 2) x 2 - 2x - 24 3) x 2 + 11x + 18
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#4 Factor x 2 -3x -10
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#5 Factor x 2 – 5x + 6
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#6 x 2 + 4x – 12
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#7 You try! x 2 - 9x + 20
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#8 You try! x 2 +4x -32
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Reminder!! Don’t forget to check your answer by multiplying!
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Factoring Practice Worksheet
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Coming up… HW 6.5 tonight Tutoring tomorrow after school Quiz 6.2 – Friday!
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