Glossary - Qq

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Quadrant	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 ax² + 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 = ax² + 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.
Quotient	The quotient is the answer in a division problem.

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