Algebra - Module 1: Expressions

The distance a number is from zero on the number line

A mathematical phrase involving only numbers and mathematical operations

Terms with the same variables, with corresponding variable having the same exponent

A letter that stands for a number

Expressions that represent the same value

A term that does not contain a variable

An expression that has an equivalent expression with no parentheses or like terms

In a power, the number that is being multiplied by itself

For all real numbers "a", a x 1 = a

A number that indicates the number of times the base is repeated.

Two numbers with a product of 1.

A number, variable, or a product or quotient of numbers and variables separated by an addition or subtraction sign

The nearness of a measurement to the true value of the measure

A term that contains a variable

To find the value of an expression (to solve)

For any real number "a", a + 0 = a

The numerical factor of a term

Two numbers with the sum of zero

Two numbers with a product of 1

A mathematical expression that contains at least one variable