maths paper1 non calc

integer

A whole number, can be positive, negative, or zero.

irrational number

A number that can't be expressed as a simple fraction, its decimal form never recurs or terminates.

quadratic formula

A formula used to solve quadratic equations, given by x = (-b ± √(b² - 4ac)) / 2a.

unit fraction power

A fraction with 1 as the numerator; equivalent to a root.

arithmetic sequence

A sequence of numbers in which the difference between consecutive terms is constant.

sector

A portion of a circle defined by two radii and the arc between them.

median

The middle value in a list of numbers sorted in ascending order.

function

A relation that assigns each input exactly one output.

similar shapes

Shapes that have the same angles but different sizes.

reciprocal

The multiplicative inverse of a number; for a number x, it is 1/x.

exponential graph

A graph that shows the relationship between a variable and an exponent, usually increases rapidly.

cis

The notation used in physics and mathematics for cosine and sine, typically in polar coordinates.

histogram

A graphical representation of the distribution of numerical data by using bars.

perpendicular lines

Two lines that intersect at a right angle (90 degrees).

bearing

The direction or path along which something moves or along which it lies.