AQA GCSE Mathematics key terms

An exact position with no length, width or area, usually labelled with a capital letter such as $A$.

The point of contact is the point where a tangent touches a circle.

A point where a curve changes its direction of curvature, as at the centre of the graph of $y=x^3$.

A point that lies on two graphs; its coordinates satisfy both graph equations.

A flat, closed shape made from straight sides.

A 3D shape bounded entirely by flat polygonal faces.

The complete group of people, objects or results about which information is wanted.

A feature of the whole population, such as its true proportion, mean or distribution.

A rule that gives a term directly from its position number, without generating all the earlier terms.

A vector from a fixed origin to a point, describing the point's position relative to that origin.

A relationship in which y generally increases as x increases.

The complete set of all possible outcomes of an experiment.

An expression such as $a^n$, consisting of a base and an index.

A number formed by multiplying 10 by itself a whole number of times, such as $10$, $100$ or $1000$.

Force acting per unit area.

Data collected directly by the person carrying out the investigation, such as measurements they take or answers to their own questionnaire.

Writing a whole number greater than 1 as a product containing only prime numbers.

A whole number greater than 1 with exactly two positive factors: 1 and itself.

The initial amount borrowed or invested on which interest is calculated.

The positive square root represented by the symbol $\sqrt{\phantom{x}}$; for example, $\sqrt{25}=5$.

The agreed sequence in which the operations in a calculation are performed.

A solid with two congruent, parallel polygonal ends and the same cross-section throughout its length.

A set of probabilities showing how likely each possible outcome is.

The result of multiplying factors together.

A counting rule which multiplies the number of choices at successive stages.

The amount by which a selling price exceeds its cost price.

A logically connected sequence of true mathematical statements that establishes a result in every case covered by the claim.