Using Rational Zero Test

Discussion in 'Other Pre-University Math' started by nycmathguy, Sep 17, 2021.

  1. nycmathguy

    nycmathguy

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    Section 2.5
    Question 20

    20210917_183137.jpg

    Applying synthetic division successively, I found the following roots: x = -4, x = 1, x = 3. I also know that a cubic function means 3 roots.

    See attachment below.

    20210917_184820.jpg

    20210917_184837.jpg
     
    nycmathguy, Sep 17, 2021
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    MathLover1 likes this.
  2. nycmathguy

    MathLover1

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    perfect
     
    MathLover1, Sep 18, 2021
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    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

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    Thank you. More math this weekend, Lord willing.
     
    nycmathguy, Sep 18, 2021
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