chap 6 Flashcards
(24 cards)
A language of symbols including variables
Algebra
A symbol, usually a letter, used to represent a number.
Variable
A combination of numbers and operations.
Numerical Expression
This tells you which operation to preform.
Order of operations
Numbers expressed exponents.
Powers
Numbers like 100.
perfect squares
The number used as a factor.
Base
At least one variable and at least one operation.
Algebraic expressions
To find the value of the algebraic expression.
Evaluate.
To write verbal phrases as algebraic expressions.
defining the variable
Statements that are true for any number.
Properties
Expressions with the same value.
equivalent expressions.
The property that combines addition and
multiplication.
Distributive Property
When numeric or algebraic expressions are written as a product of their factors.
factoring the expression.
The numerical factor of a term that contains a variable .
Coefficient
When addition or subtraction signs separate an algebraic expressions into parts, each part is called a what…
Term
A term without a variable.
Constant
Terms that contain the same variables, such as x, 2x,
and 3x.
Like terms
The order in which two numbers are added or multiplied
does not change the sum or product.
Commutative properties
The way in which three numbers are grouped when they are added or multiplied does not change their sum or product.
Associative properties
The sum of an addend and 0 id the addend. The product
of a factor and 1 is the factor
Identity properties
Statements that are true for any number.
Properties`
Expressions that have the same value.
Equivalent Expressions
The number that tells how many times that the base is used as a factor.
Exponent
