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Unit 5 Math Vocabulary - Solving Equations

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coefficient
A number multiplied by a variable.
term
A number, a variable, or the product of a number and a variable
variable
A symbol used to represent a quantity that can change
equation
A mathematical sentence that contains an equals sign.
identity
An equation that is true for all values of the variable.
properties
statements that are true for math i.e. Distributive Property
reciprocal
(mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2. Equations - another name is the multiplicative inverse.
infinite solutions
When the variable drops out and you are left with a true statement like 5=5
null set
another word for empty set; when an equation has no solution