13 of the Maths AI glossary’s terms, each with the part of the syllabus where you first meet it.
The time taken for a quantity that decreases by a constant factor to fall to half of its value.
A cycle that visits every vertex of a graph exactly once and returns to the starting vertex.
A path that visits every vertex of a graph exactly once.
Half of a sphere, formed by cutting the sphere with a plane through its centre; a solid hemisphere has a curved surface and a flat circular face.
A diagram for grouped continuous data in which each class is shown by a bar standing on its class interval, with no gaps between bars; with equal class widths, the height of each bar is its frequency.
A horizontal line that a graph approaches as becomes very large and positive, or very large and negative, so that the outputs get closer and closer to .
A function is one-to-one, and so has an inverse function, if and only if no horizontal line meets its graph more than once.
A level line through the observer's position, from which angles of elevation and depression are measured.
A transformation that multiplies the -coordinate of every point by a scale factor, leaving the -coordinate unchanged; the graph of is a horizontal stretch of
A tangent to a curve that is parallel to the -axis, so its gradient is zero; the curve has a horizontal tangent at exactly when .
The organiser's expected profit as a percentage of the amount staked, equal to per unit staked, where is the player's gain.
The side of a right-angled triangle opposite the right angle; it is always the longest side.
A procedure that uses sample data to decide whether there is enough evidence to reject a stated claim about a population.