Algebraic Techniques

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Across
  1. 2. You can only add and subtract fractions if they have a common ___________.
  2. 4. The answer of a multiplication problem
  3. 6. Only ________ can be added and subtracted. (2 Words)
  4. 7. What is the "n" called: 8n
  5. 9. How many steps are there when expanding perfect squares?
  6. 10. What type of expression is this: (n+4)(n-3)
  7. 11. Algebraic expressions are made up of _____.
  8. 14. What is the opposite of expanding?
  9. 16. What is this an example of: 3x-2xy
  10. 18. When you expand expressions you water the ______.
  11. 19. What is the number 5 called: 5a
  12. 20. What is a number called when it is by itself
Down
  1. 1. By canceling out the top and bottom of a fraction you ________ it.
  2. 3. What type expression has three terms in it?
  3. 5. What is this expression: (a+5)(a-5) (4 Words)
  4. 8. What is the opposite of factorising?
  5. 12. What does the 3rd letter of FOIL stand for?
  6. 13. What do you look for when you factorise expressions?
  7. 15. When factorising trinomials, what is it called when there is a coefficient of 2 or more?
  8. 17. The flipped version of a fraction.