vocab Flashcards
(19 cards)
a language of symbols including variables
algebra pg.449
contain at least one variable and at least one operation
algebraic expression pg.450
the number used as a factor
base pg.433
tells how many times a base is used as a factor
exponent pg. 433
numbers expressed using exponents
powers pg.434
they are squares of whole numbers (like 100)
perfect squares pg.434
a combination of numbers and operatons
numeral expression pg.442
a symbol, usually a letter, used to represent a number
variable pg.449
once the variables have been replaced. or to find the value of, the algebraic expression
evaluate pg.450
a variable and decide what represents
defining the variable pg.462
the order in which two numbers are added or multiplied does not change their sum or product
commutative properties pg.474
the way in which three numbers are grouped when they are added or multiplied does not change their sum or product
associative properties pg.474
the sum of an added and 0 is the added. the product of a factor and 1 is the factor
identity properties pg.474
statements that are true for any number
properties pg.474
have the same value (6 x 10) and (10 x 6)
equivalent expressions pg.474
combines addition and multiplication
distributive property pg. 486
when addition or subtraction signs separate an algebraic expression into parts
term pg.495
tells you which operation to perform first so that everyone finds the same value for an expression
order of operation pg.442
when numeric or algebraic expression are written as a product of their factors
factoring the expression pg.487
