Study better. Learn faster. Get the grade you want.
Discover why millions of students use us to learn better.

- StudyBlue
- Illinois
- Shelbyville High School
- Pre algebra
- Watson
- Chapter 1 Variables, Expressions and Integers

Sign up now and start studying these cards for FREE
the middle value when the values are written in numerical order - if the values are even then the mean of the two middle values are used

Numerical expression

consists of numbers and operations

variable

a letter used to represent one or more numbers

variable expression

consists of numbers, variable and operations

evaluate

substitute a number for each variable and evaluate the resulting numerical expression

power

the result of a repeated multiplication of the same factor

base

number used as the factor

exponent

number used to know how many times to multiply the factor

order of operations

a set of rules used to evaluate expressions; PEMDAS

parenthesis; exponents, multiplication, division, addition and subtraction

integer

all numbers positive and negative

negative integer

integers that are less than 0

positive integers

integers that are greater than 0

absolute value

the numbers distance from 0 on a number line - always positive

opposite

numbers that have the same absolute value but different signs

additive inverse

opposite of a number

difference

the result of subtracting two numbers

mean

the sum of the vallues divided by the number of values

median

mode

the value that occurs most often

range

the difference of the greatest value and the least value

coordinate plane

formed by the intersection of the horizontal number line called the x-axis and a vertical number line called the y-axis

origin

the point where the axes meet

ordered pair

x coordinate & y-coordinate that are found in a coordinate plane

scatter plot

uses a coordinate plane to display paired data

About this deck

Author: Jamie W.

Created: 2011-06-21

Updated: 2011-06-21

Size: 23 flashcards

Keywords: flash card flashcards digital flashcards note sharing notes textbook wiki college dorm class classroom exam homework test quiz university college education learn student teachers tutors share, study blue studyblue studyblu

Views: 19

Created: 2011-06-21

Updated: 2011-06-21

Size: 23 flashcards

Keywords: flash card flashcards digital flashcards note sharing notes textbook wiki college dorm class classroom exam homework test quiz university college education learn student teachers tutors share, study blue studyblue studyblu

Views: 19

Simply amazing. The flashcards are smooth, there are
many different types of
studying tools, and there is
a great search engine. I praise
you on the awesomeness.
- Dennis

I have been getting MUCH
better grades on all my tests
for school. Flash cards, notes,
and quizzes are great on here.
Thanks!
- Kathy

I was destroying whole rain forests with my flashcard production, but YOU, StudyBlue, have saved the ozone layer. The earth thanks you.
- Lindsey

This is the greatest app on my phone!! Thanks so much for making it easier to study. This has helped me a lot!
- Tyson

© 2014 StudyBlue Inc. All rights reserved.