MATH GLOSSARY
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Title  Description  

Quadrangle  Another name for a quadrilateral, a foursided polygon. 

Quadrant  One of the four areas of the rectangular or Cartesian plane that is divided into fourths by the two axes. 

Quadratic  A secondorder polynomial of the form ax² + bx = c = 0 is considered a Quadratic; it graphs to a parabola. 

Quadratic Equation  Any secondorder polynomial in one variable set equal to a constant is termed a Quadratic Equation. 

Quadruple  A verb or noun; to multiply by four or the fourth integral multiple, respectively. 

Quartiles  Most generally, the 25th and 75th percentiles are termed the Low Quartile and High Quartile, respectively. 

Quintiles  Most generally, the 20th and 80th percentiles are termed the Low Quintile and High Quintile, respectively. 

Quintuple  A verb or noun; to multiply by five or the fifth integral multiple, respectively. 

Quotient  The result of the operation of division, the Quotient results from dividing a dividend by a divisor; also the value of a fraction that is always numerator divided by denominator. 
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