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anonymous

  • one year ago

What type of polynomial is x(x-4)(x-5)?

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  1. zepdrix
    • one year ago
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    Hey :) What do they want from us? They're probably asking for the degree and number of terms.

  2. zepdrix
    • one year ago
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    |dw:1433456748204:dw|Notice that if you were to multiply all of these brackets out, your largest term would be this x^3 term.

  3. zepdrix
    • one year ago
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    The largest degree of x tells us the degree of the polynomial.

  4. anonymous
    • one year ago
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    ok ty! so the degree of this polynomial is 3?

  5. zepdrix
    • one year ago
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    Good! And we could probably go a little further if they wanted... we could say...

  6. anonymous
    • one year ago
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    btw thx soooo much!! I really needed this:D

  7. zepdrix
    • one year ago
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    Well, when you expand out the binomial brackets, you'll get 4 terms from that. But you'll have like-terms and combine two together. And after expanding everything and all that jazz, we're left with `three terms being added together` So we would classify this as a `trinomial`.

  8. zepdrix
    • one year ago
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    So that's the last little bit of information we want :) In total, we would say that it's a `third degree` `trinomial`.

  9. anonymous
    • one year ago
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    thanks sooo much!! you were really helpful:)

  10. zepdrix
    • one year ago
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    np!

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