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If quad means 4 why do we call a 2nd degree equation a quadratic?
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If quad means 4 why do we call a 2nd degree equation a quadratic?

User Cea
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This is the case because quadratum is the Latin word for square, and since the area of a square of side length x is given by x2, a polynomial equation having exponent two is known as a quadratic ("square-like") equation
User Vindic
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