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variable

a letter used to represent one or more numbers

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expression

a number or group of numbers with operation signs

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simplify

to preform the operation and find value

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terms

parts of an expression separated + or - sign

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coefficient

a number that multiplies a variable

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like terms

terms that have same variables with the same exponents

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substitute

to replace a variable with a number or expression

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equation

a statement that two expressions are equal

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constant

a term that is just a number

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addition property of opposites

the property says that the sum of any number and its opposite is zero

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Identity property

the property of multiplication tells that multiplying by 1 does not change the sum

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associative property

the property lets you add or multiply three or more numbers in groups of two in any oder

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commutative property

the property that lets you add or multiply two numbers in any order

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solution

value of the variable that makes the equation true

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like terms

terms with same variable and exponent

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function

rule that establishes realtion ship between qunatites

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domain

collection of input

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matrix

rectangular arangment of numbers

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properties of equality

rules of algebra used to isolate a variable in a equation

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formula

algaebraic equation that relates two or more quantities

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function of an equation

y=ax+b

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range

all possible values for output

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