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Math Unit 3

Exponents, Variables, Order of Ops., Algebraic Expression

TermDefinition
Algebraic expression: A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.
Associative Property of Addition: The sum of a set of numbers is the same no matter how the numbers are grouped.
Associative Property of Multiplication: The product of a set of numbers is the same no matter how the numbers are grouped.
Coefficient: A number multiplied by a variable in an algebraic expression.
Commutative Property of Addition: The sum of a group of numbers is the same regardless of the order in which the numbers are arranged
Commutative Property of Multiplication: The product of a group of numbers is the same regardless of the order in which the numbers are arranged.
Constant: A quantity that does not change its value.
Distributive Property: The sum of two addends multiplied by a number is the sum of the product of each addend and the number.
Exponent: The number of times a number or expression (called base) is used as a factor of repeated multiplication. Also called the power.
Like Terms: Terms in an algebraic expression that have the same variable raised to the same power. Only the coefficients of like terms are different.
Order of Operations: The rules to be followed when simplifying expressions.
Term: A number, a variable, or a product of numbers and variables.
Variable: A letter or symbol used to represent a number or quantities that vary
Squared to multiply a number by itself twice or raise the number to the second power
Cubed to multiply a number by itself three times or raise the number to the third power
Created by: lcrowe
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