Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
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

Algebra

Algebra Vocabulary

TermDefinition
Variable A symbol that represents a quantity that can vary.
Constant A symbol that represents a specific number (a quantity that does not vary).
Counting Numbers Natural numbers such as 1, 2, 3, 4, 5 ...
Integers Includes counter numbers and other number such as ..., -3, -2, -1, 0, 1, 2, 3, ...
Rational Numbers Numbers that can be written in the form n/d where n and d are integers and d is not zero
Real Numbers All the numbers represented on the number line
Irrational Numbers The real numbers that are not rational.
Average or Mean To find, divide the sum of the numbers by the number of numbers in the group.
Negative Numbers Real numbers less than 0
Positive Numbers Real numbers greater than 0
Scattergram A graph of plotted ordered pairs.
Independent Variable The x axis of a scattergram; happens first
Dependent Variable The y axis of a scattergram, happens second
Linearly related If two quantities of an authentic situation are described accurately by a line.
Model A mathematical description of an authentic situation.
Linear Model A non-vertical line that describes the relationship between two quantities in an authentic situation.
Input A permitted value of the independent variable that leads to at least one output.
Output A permitted value of the dependent variable
Intercepts of a Line Any point where a line and an axis of a coordinate system intersect.
Expression A constant, variable, or a combination of constants, variables, operation symbols, and grouping symbols, such as parenthesis.
Evaluate an Expression We evaluate by substituting a number for each variable in the expressions and then calculating the result.
Division by Zero Division by zero is undefined.
Simplify a Fraction Reducing a fraction to it's lowest common denominator.
Simplify Results If the result of an exercise is a fraction, simplify it.
Created by: slucas302a