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7A Algebra Vocab

Algebra Vocabulary

QuestionAnswer
a combination of numbers and variables using multiplication and division. Term
terms with the same variables raised to the same exponents (powers). Like terms
A letter that represents an unknown number or changing quantity Variable
A combination of variables and numbers using standard operations like addition, subtraction, multiplication, and division. Expression
a number without a variable constant
a combination of letters, numbers and operation symbols expression
a combination of letters, numbers, operation symbols and an equal sign equation
the answer to an addition problem sum
the answer to a multiplication problem product
the answer to a division problem quotient
the answer to a subtraction problem difference
process of combining all like terms and constants in an expression simplify
using inverse operations to find the value of a variable solving equations
process of substituting numbers for letters and performing order of operations to get a single answer evaluating expressions
a + b = b + a commutative property for addition
a * b = b * a where * means multiply commutative property for multiplication
(a + b) + c = a + (b + c) Associative property for addition
a (b * c) = (a * b) c where * means multiply Associative property for multiplication
number attached to a letter by multiplication Coefficient
a(b + c) = a*b + a*c Distributive Property of multiplication over addition
a(b - c) = a*b - a*c Distributive Property of multiplication over subtraction
Equivalent Expressions equivalent expressions exist when the same value is substituted into BOTH expressions and you get the same value.
monomial An algebraic expression consisting of a single term
binomial An algebraic expression consisting of two terms
trinomial An algebraic expression consisting of three terms
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