algebra 2 regents (polynomials)

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6 Terms

1
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a² - b² = ____

(A+B)(A-b)

2
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a² + 2ab + b² =

(a+b)² , (a-b)²

3
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When factoring polynomials, please always remember to ______ _____ _____

Factor the GCF

4
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factor by using the

quadratic formula (this always works!!)

5
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the square root of -4 or any other neg number I guess cannot be a regular number because no real number when ____ by itself can be a ____ number

  • multiplied

  • negative

6
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When finding the solutions to a quadratic equation, make sure to always ____ to make sure the answers aren’t ___ .

• check

• extraneous