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Published byAnnice Richard Modified over 9 years ago
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8.1.3 How can I factor this? Factoring with Special Cases
Goal: Factor special case quadratics. Standard: A‑SSE.3a. Factor a quadratic expression to reveal the zeros of the function it defines.
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Factor the quadratic. 1. x2 + 6x + 9
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Factor the quadratic. 2. 2x2 + 5x + 3
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Factor the quadratic. 3. x2 + 5x - 7
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Factor the quadratic. 4. 3m2 + m - 14
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Special Cases Most quadratics are written in the form ax2 + bx + c.
But what if a term is missing? Or what if the terms are in a different order? Consider these questions while you factor the following expressions.
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Special Case: Middle Term Missing
a. 9x2 - 4
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Special Case: Constant Missing
b. 12x2 – 16x
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Special Case: Out of Order
c k2 – 10k
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Special Case: Out of Order & Missing Squared Term
d – 100m
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Final Question Factor the quadratic. Be ready to share your answer with the class. 4x2 – 10x - 6
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