A written 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 in parentheses then computes power and roots then perform all multiplication and division from left to right and then perform all addition and subtraction from left to right

A value or values I made an equation true

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

A expression that contains at least one variable

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

The points where the x axis and the y axis intersect on the coordinate plane (0,0)