Ch 4 Vocab - PreAlg

Distributive Property

to multiply a sum by a number, multiply each addend by the number outside the parenthesis

Equivalent Expression

expressions that have the same value

Coefficient

the numerical part of a term that contains a variable

Constant

a term without a variable

Like Terms

expressions that contain the same variables to the same power, such as 2n and 5n or 6xy and 4xy

Term

each number within a sequence

Simplest Form

an algebraic expression that has no like terms or parenthesis

Simplifying the expression

to use distribution to combine like terms

Equivalent Expressions

two or more equations with the same solution

Inverse Operations

operation that undoes another, such as addition or subtraction

Solution

a value for the same variable that makes an equation true

Solving the Equation

the process of finding a solution to an equation

Two-step Equation

an equation that contains two operations

Algebraic Expression

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

Equation

a mathematical sentence that contains an equals sign (=)