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3rd degree polynomial is called a cubic

  1. Jan 19, 2006 #1

    tony873004

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    A 3rd degree polynomial is called a cubic, and a 2nd degree is a quadratic. But quad implies 4. Why is a 2nd degree called quadratic?
     
  2. jcsd
  3. Jan 19, 2006 #2
    The word comes from the Latin word quadratus, meaning "square". Quadratic functions deal with calculating the area of squares.
     
  4. Jan 19, 2006 #3

    tony873004

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    Thank you! You didn't make up that screen name just to answer my question, did you :)
     
  5. Jan 19, 2006 #4
    LOL no, I just keep to myself mostly. I couldn't resist answering your question though :rofl:
     
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