3rd degree polynomial is called a cubic

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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?
 
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The word comes from the Latin word quadratus, meaning "square". Quadratic functions deal with calculating the area of squares.
 
Thank you! You didn't make up that screen name just to answer my question, did you :)
 
tony873004 said:
You didn't make up that screen name just to answer my question, did you :)

LOL no, I just keep to myself mostly. I couldn't resist answering your question though :smile: