9 terms

Equation

The statement about equal expressions

Inequality

The relationship between two unequal expressions

Substitution

Plugging a number into a variable to see if it makes a statement true

Variable

A letter that represents an unknown number

Solution

The answer to an equation or inequality

Infinite number of solutions

A solution that is either less than a number or greater that a number

Independent Variable

The variable (x) that could cause a change in a 2nd variable

Dependent Variable

The Variable (y) that is measured to see if there is a relationship

Relationship

How an independent variable affects a dependent variable.