1st Semester Vocab flashcards

Terms	Definitions
associative property	grouping property; (a+b)+c=a+(b+c) or (ab)c=a(bc)
real numbers	all rational and irrational numbers
commutative property	order property; a+b=b+a or ab = ba
difference	answer to a subtraction problem
distributive property	a(b+c)=ab+ac
evaluate	substituting a value for a variable
zero property	x O always equals zero
identity property	+ O or x 1 won't change the value
rational number	can be written as a fraction
integers	whole numbers and their opposites
irrational number	can't be expressed as a fraction
algebraic expression	contains variables, numbers and operations
numerical expression	contains numbers and operations
order of operations	PEMDAS
whole numbers	set of natural numbers and O
sum	answer to an addition problem
product	answer to a mulitplication problem
quotient	answer to a division problem
simplify	combining like terms
equation	mathematical sentence that contains an equals sign
absolute value	distance from zero on a number line
linear equation	an equation that graphs as a straight line on a coordinate plane
rate	a ratio of two quantities measured in different units Ex: mph, m/s
variable	a letter used to represent an unknown number
like terms	terms in an algebraic expression that have the same variable
proper fraction	a fraction whose numerator is less than the denominator
improper fraction	a fraction whose numerator is greater than or equal to the denominator
slope intercept form	a linear equation in the form y=mx+b
slope	rise /run -> a ratio that measures the steepness of a line

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