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qed

quadrantQED stands for the Latin phrase quod erat demonstrandum, which means That which was to be proven. Used at the end of a proof

Quadrant I1 of 4 sections on the Cartesian graph. Quadrant I: (x, y), Quadrant II (-x, y), Quadrant III, (-x, -y), Quadrant IV (x, -y)

Quadrant IIThe first quadrant on a cartesian graph, located in the upper-right hand side. All points are in the form (x, y).

Quadrant IIIThe second quadrant on a cartesian graph, located in the upper-left hand side. All points are in the form (-x, y).

Quadrant IVThe third quadrant on a cartesian graph, located in the lower-left hand side. All points are in the form (-x, -y).

quadraticThe fourth quadrant on a cartesian graph, located in the lower-right hand side. All points are in the form (x, -y).

quadratic equationPolynomials with a maximum term degree as the second degree

quadratic inequalityEquation with a polynomial with a maximum term degree as the second degree

quadrilateralInequality with a polynomial with a maximum term degree as the second degree

quadruplePolygon with 4 edges/sides and 4 corners/vertices

qualitative dataMultiply by 4

quantitative dataInformation that describes something. This is information you can observe

quantityInformation given in numbers or values that you can count or measure

quartamount of something

quarterUnit of liquid volume

quartic equationsA currency unit worth 25 cents

quartile4th degree polynomial equations

query1 of 4 equal groups in the distribution of a number set

quintileA question, often associated with a data set from a database

quintupleThe bottom 20% or the upper 80% of a number set

quotientMultiply by 5

quotient-remainder theoremThe result of dividing two expressions.

When we divide A by B, Q is the quotient, R is the remainder