# MATH GLOSSARY

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Title Description
Quadrangle Another name for a quadrilateral, a four-sided polygon. Quadrant One of the four areas of the rectangular or Cartesian plane that is divided into fourths by the two axes. Quadratic A second-order polynomial of the form ax² + bx = c = 0 is considered a Quadratic; it graphs to a parabola. Quadratic Equation Any second-order 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. Please send us an email with your suggestions for this glossary. We at Mr. X want this site to be as helpful as possible.

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