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algebraic expression

An expression consisting of one or more numbers and variables along with one or more arithmetic operations

Coefficient

the decimal part

Common Denominator

a denominator that is the same in two or more fractions

constant

A value that does not change

Equation

A mathematical sentence that contains an equals sign

Integers

the set of positive whole numbers and their opposites(negative numbers) and 0

least common multiple

The smallest multiple (other than zero) that two or more numbers have in common.

order of operations

The rules for calculating a maths question containing mixed operations, such as 14 - 2 x 4 + 12

Solution of an Equation

The value or values of the variables that make an equation true.

Variable

an alphabetic character representing a number, called the value, which is either arbitrary or not fully specified or unknown. It is usually a letter like x or y.

Linear Equation

A polynomial equation of the first degree whose graph is a line.

Ordered Pairs

a pair of numbers that can be used to locate a point on a coordinate plane

slope

(y₂-y₁)/(x₂-x₁)

Slope-Intercept Form

a linear equation written in the form y = mx + b, where m represents slope and b represents the y-intercept

x-axis

The horizontal axis on a coordinate plane.

y-axis

The vertical axis on a coordinate plane.

y-intercept

the point where the line crosses the y-axis

Solution of a System of Equations

a set of values that make all equations in a system true

system of equations

A collection of equations in the same variables

x-intercept

the point where the line crosses the x-axis