Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Ch 2 Vocab

contains vocab from Chapter 2

QuestionAnswer
Natural Number The set {1, 2, 3, ...}
Whole Number The set {0, 1, 2, 3, ...}
Integers The set {..., -2, -1, 0, 1, 2, ...}
Positive Number Any value that is greater than zero
Negative Number Any value less than zero
Rational Numbers The set of numbers expressed in the form of a fraction a/b, where a and b are integers and b ≠ 0
Infinity Lines and sets that never end continue to infinity
Graph To draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane
Coordinate The number that corresponds to a point on a number line
Absolute Value The absolute value of a number n is its distance from zero on a number line and is represented by ∣n∣
Opposites Every positive rational number and its negative pair
Additive Inverses A number and its opposite are additive inverses of each other. The sum of a number and its addictive inverse is 0
Line Plot A number line labeled with a scale to include all the data with an X placed above a data point each time it occurs
Frequency How often a piece of data occurs
Stem-and-Leaf Plot A system used to separate data into two numbers that are used to form a number
Back-to-Back Stem-and-Leaf Plot Used to compare two related sets of data
Measures of Central Tendency Numbers or pieces of data that can represent the whole set of data
Probability The ratio of the number of favorable outcomes for and event to the number of possible outcomes of the event. P(a)=number of favorable outcomes divided by total number of possible outcomes
Simple Event A single event
Sample Space The list of all possible outcomes
Equally Likely Outcomes for which the probability of each occurring is equal
Odds The ratio that compares the number of ways an even can occur (successes) to the number of ways the event cannot occur (failures)
Created by: abranch
Popular Math sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards