Zeroes of a Quartic Polynomial

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Taught by mrbrianmclogan
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Meets NCTM Standards:
Lesson Description:

Finding the zeros of the function 9x^4 - 25x^2

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Questions answered by this video:
  • What must you do to find the zeros of a function?
  • Having equated the function to zero, what is the next step?
  • If you know the values of x² how many values will x have?