# Algebra Equations

The flashcards below were created by user MoonRacer on FreezingBlue Flashcards.

1. Review Question:
Adding Integers of the same sign, find the _____
Adding Integers of different sign, find the _______.
Subtracting from a negative integer, ____ _____ _____ or _____/_____.
• Adding Integers of the same sign, find the sum.
• Adding Integers of different sign, find the difference.
• Subtracting from a negative integer, copy change change or fence/bubble.
2. Review Question:
What is the order of Operations?
• Groupings
• Exponents
• Multiply/divide
3. Review Question:
+x+= ?
+x-= ?
-x+= ?
-x-= ?
+/+= ?
+/-= ?
-/+= ?
-/-= ?
• +
• -
• -
• +
• +
• +
• -
• -
• +
4. Review Question:
A? Less than B?
A? comes _____ in the problem
B? comes _____ in the problem.
• A? comes second in the problem
• B? comes first in the problem
5. Review Questions:
Multiplying by fractions is cross ______.
When fractions are equal, you cross ________.
• Multiplying by fractions is cross cancel.
• When fractions are equal, you cross multiply.
6. Review Question:
To distribute, __________________________
Multiply the number out side of the parenthesis to the first term, then the second, and so on, until all the terms in the parenthesis are simplified. Now solve.
7. Review Question:
• 1) Write the Original Problem
• 3) Simplify
8. Review Question: How do you combine like terms?
Take each term and make sure that they have a + or - sign in front. Then, combine the parts that have the same last name. So 12x-14+23-7x=54 is the same as 5x+9=54.
9. Review Question:
If an answer to Identity, what does it mean?
The answer has and infinite number of solutions.
10. Review Question: How do you solve a word problem?
• 2) Understand it
• 3) Create a let statement
• 4) Write an eaquation/inequality
• 5) Solve
• 6) Check to see if it makes sense.
11. How do you solve a literal equation?
Act as if the variables are the same as normal numbers.
12. Review Question: What is the Commtative Property of Addition?
• a+b=b+a
• The value of the numbers will be the same if they are switched
13. Review Question: What is the Commutative Property of Multiplication?
• ab=ba
• The values will be the same if they are switched
14. Review Question: What is the Associative Property of Addition?
• (a+b)+c=a+(b+c)
• #'s in the parenthesis may be paired with another number
15. Review Question: What is the Associative Property of Multiplication?
• (ab)c=a(bc)
• The #'s in the parenthesis may be paired with another factor
16. Review Question: What is the Identity Property of Addition?
• a+0=a
• Any number plus 0 equal itself
17. Review Question: What is the Identity Property of Multiplication?
• 1a=a
• A number times one equals itslef
18. Review Question: What is the Inverse Property of Addition?
• a+-a=0
• A number plus the negative version of itself will equal the identity element (0)
19. Review Question: What is the Inverse Property of Multiplication?
• a x 1/a = 1
• A number multiplied by it's multiplicative inverse is equal to the identity element (1)
20. Review Question: A binary operation is an operation that uses the main 4 and is represented by a ______.
Symbol
21. Review Question: To find the inverse of an identity element, just plug in _______ (_________) _______ = ________ _______
Element (Operation) Inverse + Identity Element
22. Review Question: How do you find the identity element of a binary operation?
Find out where the chart looks the same. For Example:

• @ A B C D
• A B D A C
• B D C B A
• C A B C D
• D C A D B
23. Review Question: How is a binary operation commutative
• If it is commutative it means that A (operation) B is the same a B (operation) A.
• @ A B C D
• A B D A C
• B D C B A
• C A B C D
• D C A D B
24. Review Question: A Binary operation is closed if...
If the numbers along the top are equal to the numbers on the bottom
25. Review Question: The formula for Percent of Change is_______
• Change
• Original
26. Review Question: Greatest possible error is _________
1/2 of the measuring unit. So 12 cm gpe is 0.5 cm.
27. Review Question: Percent Error is_________
And Error in Measurement is ________
• P.E.: gpe/actual measurement as a percent
• E. in M.: gpe/ actual measurement without a percent
28. Review question: How do you do a motion problem?
• Draw a picture
• Fill out a chart
• Set up and equation
• LET STATEMENT!
• Solved The QUESTION boxed with unit.
 Author: MoonRacer ID: 50305 Card Set: Algebra Equations Updated: 2011-05-17 20:33:05 Tags: Math Algebra Equations Review Questions Notes MoonRacer Folders: Description: Review the notes about Equations Show Answers: