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MissMathmatics

  • 3 years ago

f(x)=2x^3-3x^2+3x-2 How many zero's does it have, How many real zeros and what are the real solutions? (This is just an Example on my paper)

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  1. Goten77
    • 3 years ago
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    1st derivative test?

  2. MissMathmatics
    • 3 years ago
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    Yes

  3. Goten77
    • 3 years ago
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    well that wont help much but the general rule is whatever power its to is how many zeroes it will have -1

  4. MissMathmatics
    • 3 years ago
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    It asks for the total number of zeros Then asks the number of real zeros

  5. MissMathmatics
    • 3 years ago
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    It says Function has _____ total zeros and Function has ______ real zeros.

  6. Goten77
    • 3 years ago
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    k so what ied do is 1st factor and get (x-1)(2x^2 -x+2) then set that = to 0

  7. MissMathmatics
    • 3 years ago
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    & Solve for X ?

  8. Goten77
    • 3 years ago
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    yes...well its obvious x=1 is the 1st zero since x-1=0 x=1 now the 2nd 1 is the quadratic part

  9. MissMathmatics
    • 3 years ago
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    Oh okay . Ty (:

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