Pre-Algebra Chapter 1

The set of all x-coordinates form each pair

A pair of numbers used to locate any point on a coordinate plane

An expression that contains sums and/or products of variables and numbers

Statements that are true for any number

relation in which each element of the domain is paired with exactly one element in the range

combination of numbers & operations such as addition, subtraction, multiplication, and division

An example that shows a conjecture is not true

To write an expression in a simpler form

A placeholder for any value

A branch of mathematics dealing with symbols

The range of a relation is the set of all y-coordinates from each ordered pair

The horizontal number line which helps to form the coordinate system

The point at which the number lines intersect in a coordinate system

Also called a coordinate plane

The rules to follow when more than one operation is used in an expression

The operation performed on the input of a function

Choosing a variable and a quantity for the variable to represent in an equation

A set of ordered pairs

Process of using facts, properties, or rules to justify reasoning or reach valid conclusions

Mathematical sentences that contains an equals sign (=).