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
share
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

8th grade Algebra I

Tools of Algebra

QuestionAnswer
What is a number's additive inverse? Its opposite
What is an algebraic expression? mathematical phrase that can include numbers, variables, and operation symbols. Also called variable expressions.
What is an equation? a mathematical sentence that uses an equal sign
What is an open sentence? an equation that contains one or more variables
How do you simplify a numerical expression? you replace it with its simplest name
What is an exponent? tells how many times a number is used as a factor.
What is a base? The number being used as a factor in a power.
What is a power? has two parts, a base and an exponent
How do you evaluate an algebraic expression you substitute a given number for each variable/ Then simplify the numerical expression using the order of operations.
What is a natural number? a number above 0 that does not have a decimal or fraction
What is a whole number? a positive number (that includes 0) that does not have a decimal or a fraction.
What is an integer? Any number, positive or negative, that does not have a fraction or decimal.
What is a rational number? A number whose decimal, if any, terminates or repeats.
What is an irrational number? A number whose decimal does not terminate or repeat.
What is a real number? Any number known to mankind
What is a counterexample? Any example that proves a statement is false
What is an inequality? mathematical sentence that compares the value of two expressions using an inequality symbol.
What is a matrix? rectangular arrangement of numbers in rows and columns.
What is an element? Each item in a matrix
What is a term? a number, a variable, or the product of a number and one or more variables
What is a coefficient? numerical factor of a term
What are like terms they have the same variable factors
What is a scatter plot? graph that relates two sets of data
What is the commutative property of Addition? a+b=b+a
What is the commutative property of Multiplication? a*b=b*a
What is the associative property of addition? d+(e+f)=(d+e)+f
What is the associative property of multiplication? f*(g*h)=(f*g)*h
What is the identity property of addition? a+0=a
What is the identity property of multiplication? a*1=a
What is the Inverse Property of Addition? a+(-a)=0
What is the inverse property of multiplication? a * 1/a = 1
What is the Reflexive Property of Equality a number equals itself a=a
What is the Symmetric Property of Equality? If a=b, then b=a
What is the Transitive Property of Equality? If a=b and b=c, then a=c
What is the distributive property? a(b+c)= ab+ac
What is the Multiplication property of Zero? For every real number n*0=0
Multiplication property of -1 For every real number -1*n=(-n)
Created by: bookwormabbi
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