Pre-Algebra Chapter 1

Also called a coordinate plane

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

Mathematical sentences that contains an equals sign (=).

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

To write an expression in a simpler form

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

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

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

A branch of mathematics dealing with symbols

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

The set of all x-coordinates form each pair

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

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

Statements that are true for any number

The horizontal number line which helps to form the coordinate system

The operation performed on the input of a function

A placeholder for any value

An example that shows a conjecture is not true

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

A set of ordered pairs