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85 Cards in this Set
 Front
 Back
symbol which represents one or more numbers

variable


a number; a value which does not change

constant


mathematical phrase which includes numbers and operation symbols

numeric expression


mathematical phrase which includes numbers, variables, and operation symbols

algebraic expression


mathematical sentence which contains an equals sign

equation


an equation which contains one or more variables

open sentence


accepted order of operations

PEMDAS


replace a phrase with its simplest name

simpligy


tells how many times a number is used as a factor

exponent


has two parts, a base and an exponent

power


number in a power used as a factor

base


substitute given values for variables and simplify

evaluatef


mathematical sentence which compares the value of two expressions using an inequality symbol

inequality


any example which proves a statement false

counterexample


two numbers which are the same distance from zero on a number line

opposites


distance of a number from zero on the number line

absolute value


rectangular arrangement of numbers in columns and rows

matrix


an item in a matrix

element


multiplicative inverse

reciprocal


number by which you multiply all elements in a matrix

scalar


number, variable, or product of a number and variable in an algebraic expression

term


numerical factor of a term

coefficient


terms which have the same variable factors

like terms


two number lines that intersect at right angles

coordinate plane


point of intersection of two number lines

origin


horizontal axis

xaxis


vertical axis

yaxis


four sections made by the two axes in a coordinate plane

quadrants


xcoordinate

abscissa


ycoordinate

ordinatef


graph which relates two types of data

scatter plot


shows a correlation on a scatter plot more clearly

trend line


values of variables which make an equation true

solution


equations which have the same solution

equivalent equations


equation which is true for every value of the variable

identityf


integers which differ by 1

consecutive integers


a constant rate

uniform motion


distance = rate * time

rate or distance formula


equation involving two or more variables

literal equation


values used to describe a set of data

measure of central tendency


sum of all data items divided by the number of data items

mean


middle value when the numbers in a data set are arranged in order

median


data item that occurs the most often

mode


difference between the greatest and smallest data values in a set

range


a data value which is much lower or higher than other values in the data set

outlier


display of data made by using the digits of the values

stem and leaf plot


any number that makes an inequality true

solution


inequalities with the same solution

equivalent inequalities


two inequalities joined by the word and ...or...or

compound inequalities


compound inequality which uses the word and

conjunction


compound inequality which uses the word or

disjunction


equation which states that two rations are equal

proportion


figures which have the same shape but not the same size

similar figures


an enlarged or reduced drawing that is similar to an actual object or place

scale drawing


ratio of a distance in a scale drawing to the corresponding actual distance

scale


amount of change divided by the original amount times 100

percent change


one half of the measuring unit

greatest possible error


greatest possible error divided by the measurement times 100

percent error


how likely an event is to occur

probability


result of a single trial

outcome


any outcome or group of outcomes

event


all of the possible outcomes

sample space


number of favorable outcomes divided by the number of possible outomes

theoretical probability


consists of all the outcomes not in the event

complement of an event


number of times an event occurs divided by the number of times the experiment is done

experimental probability


events that do not influence one another

independent events


events that influence each other

dependent events


a set of ordered pairs

relation


set of first coordinates in a relation

domain


set of second coordinates in a relation

range


a relation that assigns exactly one value in the range to each value in the domain

function


a way to determine if a relation is a function by analyzing the graph

vertical line test


equation which describes a function

function rule


using f(x) to describe function outputs

function notation


input values of a function

independent variable


output values of corresponding input values

dependent variable


a function in the form y = kx where k does not equal zero

direct variation


a function in the form xy=k where k does not equal zero

inverse variation


coefficient of x in a direct variation

constant of variation


making conclusions based on patterns you see

inductive reasoning


a conclusion reached by inductive reasoning

conjecture


a number patternf

sequence


each number in a sequence

term


a type of sequence which is formed by adding a fixed number to each previous term

arithmetic sequence


fixed term in an arithmetic sequence

common difference
