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absolute value

The distance of a number from zero on a number line.

slope

The way of describing the steepness of a line, ramp or hill. The ratio of rise to run.

area

The number of square units needed to cover a surface.

perimeter

The distance around a polygon

variable

A letter or symbol that stands for one or more numbers.

factor

A number that is multiplied by another number to find a product.

integer

The set of whole numbers and their opposites.

inequality

A mathematical expression which shows that two quantities are not equal.

percent

A ratio comparing a number to 100.

reciprocal

One of two numbers whose product is 1. Also known as the multiplicative inverse of a number.

multiple

The product of any number and a whole number. The value obtained by repeated addition.

Order of Operations

The rules for performing operations in expressions with more than one operation.

like terms

Two or more terms that have the same variable raised to the same power.

linear

A constant change in x that corresponds to a constant change in y, forming a straight line.

expression

A mathematical phrase that combines operations, numbers, and/or variables.

equation

A statement that two expressions have the same value.

formula

An equation that states a rule or a fact.

distributive property

The property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products. a(b+c)= ab+ac

rational numbers

Any number that can be written as a ratio, a/b where a and b are integers and b doesn't = 0.

volume

The number of cubic units needed to fill a space.

simplify

To rewrite an expression as simply as possible.

origin

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

intercept

The point of a line or curve where it crosses the x-axis or y-axis.

constant

A value that does not change.

irrational number

Any number that cannot be written as a ratio, repeating, or terminating decimal.

coefficient

The number that is multiplied by the variable in an algebraic expression or equation.

terms

The parts of an expression that are separated by an addition or subtraction sign.

ratio

a comparison of two numbers by division.

evaluate

To find the value of a numerical or algebraic expression.

ordered pair

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