Math Terms That Start With Q: Key Definitions and Examples

In this article, we’ll provide you with a list of math terms that start with the letter Q, helping you expand your mathematical vocabulary.

  1. Quadrant- One of the four sections of a coordinate plane.
  2. Quadratic- Pertaining to a polynomial of the second degree.
  3. Quadrature- The process of determining area under a curve.
  4. Quadrilateral- A four-sided polygon.
  5. Quadruplicate- To make four identical copies.
  6. Quantile- Division points in data, splitting it into intervals with equal probabilities.
  7. Quantity- An amount or number.
  8. Quantitative- Relating to the measurement of quantity.
  9. Quantum- A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
  10. Quart- A unit of liquid capacity equal to two pints or one fourth of a gallon.
  11. Quartic- A polynomial of the fourth degree.
  12. Quartile- Values that divide a data set into four equal parts.
  13. Quasi- Almost or nearly, e.g., quasi-periodic.
  14. Quasi- Experiment – A study that aims to evaluate interventions but lacks random assignment.
  15. Quaternary- Relating to the number four, or in a sequence of four.
  16. Quaternion- A complex number system that extends the complex numbers.

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