Glossary Entries
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | ZQuadrant | One of four sections of a coordinate grid separated by horizontal and vertical axes; they are numbered I, II, III, and IV, counterclockwise from the upper right. |
Quadratic | A term that means "Of the second degree." Look at the definition of quadratic equations. |
Quadratic Equation | A polynomial equation of degree 2; its general form is ax^{2} + bx + c = 0, where x is the variable and a, b, and c are constants. |
Quadratic Function | A function given by a polynomial of degree 2. The graph of these functions are parabolas. The equations can be represented in the form of y = ax^{2} + bx + c where a,b, and c and fixed numbers and a zero. |
Quadrilateral | A four-sided polygon. There are irregular and regular quadrilaterals. |
Quart | A customary unit to measure capacity; 1 quart = 2 pints. The abbreviation for quart is "qt." |
Quarter | A coin with a value of 25 cents or 1/4 of a dollar. |
Quartiles | The 25th, 50th, and 75th percentile points. (See definition of Percentile.) |
Quotient | The quotient is the answer in a division problem. |
Useful Reference Materials
Wikipedia:https://en.wikipedia.org/wiki/Fraction_%28mathematics%29
Encyclopædia Britannica:
http://www.britannica.com/topic/fraction
University of Delaware:
https://sites.google.com/a/udel.edu/fractions/