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Chapter 1


algebraic expression an expression that contains at least one variable
variable a letter that represents a number that can change
coefficient a number that is multiplied by a variable
constant a value that does not change
evaluate to find the numerical value of an expression
substitute to replace a variable with a number or expression
integer the set of whole numbers and their opposites
additive inverses the opposite of a number
opposites two numbers that are equal distance from zero on a number line
absolute value a number's distance from zero on a number line
equation a mathematical sentence that uses an equal sign
inverse operation operations that undo each other
solution the value or values that make an expression true
equivalent having the same value
reciprocal one of two numbers whose product is one
PEMDAS a way to remember the order of operations
quotient the answer to a division problem
product the answer to a multiplication problem
sum the answer to an addition problem
difference the answer to a subtraction problem
Created by: MrsGreen08