Math Words That Start With Q (19 Terms + Definitions)
There are 19 math words that start with Q in the Mathwords dictionary — from Q1 to Quotient Rule. The full list is below; the most looked-up Q terms are at the end of the page.
Most Looked-Up Q Terms
- Quadrants — The four sections of the coordinate plane created when the x-axis and y-axis intersect at the origin.
- Q1 — First Quartile (Q1) is the value below which 25% of the data falls when the data set is ordered from least to greatest.
- Quadrilateral — A polygon with exactly four sides and four vertices.
- Quadrantal Angle — An angle in standard position whose terminal side lies exactly on the x-axis or y-axis.
- Quadratic Equation — An equation that involves a polynomial of degree two.
- Q3 — Third quartile (Q3) is the value that separates the upper 25% of a data set from the lower 75%.
- Quartiles — The three values that divide an ordered data set into four equal parts.
- QED — An abbreviation of the Latin phrase *quod erat demonstrandum*, meaning "that which was to be demonstrated.