MATH QUICK QUESTIONS
Order of Operations
1.Simplify the expressions inside
grouping symbols, such as
parentheses, brackets, braces,
and fraction bars
2.Evaluate all powers
3.Do all multiplications and
divisions from left to right
4.Do all additions and
subtractions from left to right

(Or just remember PEMDAS)
Algebraic expressions
contain at least one variable
Formula
mathematical sentence that
expresses the relationship
between certain quantities
Real Numbers
all of the numbers that you
use in everyday life
Rational Numbers
A real number that can be
written as a fraction.
Decimal is either a
terminating or repeating
decimal.
Irrational Numbers
Any number that cannot be
written as a fraction.
Natural Numbers
{1, 2, 3, 4, 5,...}
Whole Numbers
{0, 1, 2, 3, 4,....}
Integers
{…, -3, -2, -1, 0 ,1 ,2,…}
Absolute Value
numerical value of a real
number, no matter if
positive or negative
Binomial
expression that is the sum
or difference of two terms
Cartesian Coordinates
pair of numbers that is used
to locate a point
Coefficient
number multiplied times a
product of variables
Composite Number
number that is a multiple of
at least two numbers other
than itself and one
Coordinate plane
graph with two axes and four
quadrants
Domain
set of all possible values
of an independent variable
in a function
Equation
mathematical sentence built
from expressions using one
or more equal signs
Function
relation for which each
element of the domain
corresponds to one element
in range
Mean
average, found by adding up
all numbers in set, then
dividing sum by number of
data points
Range
set of y values of a
function or relation
Origin
represented by two zeros
separated by a comma on a
coordinate plane

Math quick questions