Math Glossary Letter Q
quadrant
1 of 4 sections on the Cartesian graph. Quadrant I: (x, y), Quadrant II (-x, y), Quadrant III, (-x, -y), Quadrant IV (x, -y)
Quadrant I
The first quadrant on a cartesian graph, located in the upper-right hand side. All points are in the form (x, y).
Quadrant II
The second quadrant on a cartesian graph, located in the upper-left hand side. All points are in the form (-x, y).
Quadrant III
The third quadrant on a cartesian graph, located in the lower-left hand side. All points are in the form (-x, -y).
Quadrant IV
The fourth quadrant on a cartesian graph, located in the lower-right hand side. All points are in the form (x, -y).
quadratic
Polynomials with a maximum term degree as the second degree
quadratic equation
Equation with a polynomial with a maximum term degree as the second degree
quadratic inequality
Inequality with a polynomial with a maximum term degree as the second degree
quadrilateral
Polygon with 4 edges/sides and 4 corners/vertices
quadruple
Multiply by 4
quantity
amount of something
quart
Unit of liquid volume
quarter
A currency unit worth 25 cents
quartic equations
4th degree polynomial equations
quartile
1 of 4 equal groups in the distribution of a number set
query
A question, often associated with a data set from a database
Quintile
The bottom 20% or the upper 80% of a number set
quintuple
Multiply by 5
quotient
The result of dividing two expressions.
quotient-remainder theorem
When we divide A by B, Q is the quotient, R is the remainder