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Pre-Algebra Ch. 3

area the measure of the surface enclosed by a geometric figure
arithmetic sequence a sequence in which the difference between any two consecutive terms is the same
coefficient the numerical part of a term that contains a variable
common difference the difference between any two consecutive terms in an arithmetic sequence
constant a term without a variable
equivalent equations two or more equations with the same solution
equivalent expressions expressions that have the same variable
formula an equation that shows a relationship among certain quantities
inverse operations operations that undo each other (addition/subtraction & multiplication /division)
like terms expressions that contain the same variables to the same power such as 2n and 5n or 6xy^2 and 4xy^2
perimeter the distance around a geometric figure
sequence an ordered pair of numbers such as 0, 1, 2, 3, 4, .... or 2, 4, 6, 8,....
simplest form when an algebraic expression has no like terms and no parentheses
simplifying the expression to use the distributive property to combine like terms
term each number within a sequence is called a term
two-step equation an equation that contains two operations
Created by: Miss Brinkoetter