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Published byLoreen Welch Modified over 9 years ago
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HW: factoring trinomials WS
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Factoring Trinomials Must be in STANDARD FORM Leading Coefficient MUST BE POSITIVE ONE! What MULTIPLIES to get the last term and ADDS to get the middle term? + Last Term Middle Term Final answer will be: Final answer will be: (x + LEFT NUMBER)(x +RIGHT NUMBER)
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Sign Hints +++ If last term is positive and middle term is positive : If last term is positive and middle term is negative : If last term is negative and middle term is negative OR positive : – + + + +/– – + + – – – +
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x 2 +7x + 6
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x 2 – 12x + 36
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x 2 – x – 20
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n 2 + 2n – 48
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Put answers on your post-it! 1)x 2 + 13x – 30 2) x 2 – 5x + 6
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