A mathematical sentence that shows that two expressions are equivalent

A symbol used to represent a quantity that can change.

a mathematical sentence that shows the relationship between quantities that are not equivalent

The set of whole numbers and their opposites.

A rule for evaluating expressions;first perform the operation n parentheses ,then compute powers and roots , then preform all multiplication and division from left to right,and then preform all addition and subtraction from left to right.

A value or values that make an equation true.

Any number that can be expressed as a ratio of two integers.

An expression that contains at least one variable

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

The point where the x axis and y axis intersect on the coordinate plane.