Vocabulary for IELTS Academic (Band 6-7) - Maths and Graphs

a mathematical function that represents the exponent to which a fixed number, called the base, must be raised to produce a given number

a statement or proposition that has been proven to be true based on previously established axioms, definitions, and other theorems within a particular mathematical or logical system

an ordered set of numbers that describes both magnitude and direction, commonly used to represent quantities like displacement, velocity, or force in physics and engineering

(mathematics) a quantity whose value changes according to another quantity's varying value

a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159

a mathematical representation of the sum of the terms of a sequence, often denoted by the symbol Σ (sigma), where the terms are added together in a specified order

a branch of mathematics that deals with the relationships between the angles and sides of triangles

the result obtained by dividing one quantity or number by another, expressed as the outcome of a division operation

the longest side of a right-angled triangle, opposite the right angle, and defined as the side opposite the right angle in a right-angled triangle

a set of real numbers that includes all the numbers between any two specified numbers within the set

a framework of spaced lines, horizontal and vertical, used as a reference for plotting points

a statistical measure that represents the middle value of a data set when the values are arranged in ascending or descending order

the value that appears most frequently in a data set

a visual representation of information or data, designed to convey complex information quickly and clearly

(statistics) an arrangement of values of a variable showing how often each occurs, either observed or theoretical

(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities

a grouping or concentration of data points in a specific region, often used in statistics and data analysis to describe a set of values that are close to each other

a diagram consisting of bars with different heights that represent the amount of a variable

a portion of a circle, defined by an arc and the two radii that connect the arc's endpoints to the circle's center

the result of dividing one number, quantity, or expression by another