Foundations of Algebra

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Across
  1. 8. The part of the term that tells how many times the number is used as a factor such as 3 in 2^3
  2. 9. To simplify 3-(-5) we can -- -- -- to get 3+5 (3 words)
  3. 10. The first part of a term, it's numerical factor such as 2 in 2x+8
  4. 12. The value(s)that can be substituted for variable(s)to make an equation true
  5. 14. Any number that can be written with integers in the form of a/b where b is not 0 (2 words)
  6. 17. The process of calculating the value of an expression to its best final answer, sometimes involving substituting in the value of a variable
  7. 18. The square root of 14 in not an integer
  8. 19. A mathematical sentence with an equal sign. It has a LHS and RHS
  9. 20. The part of the term that is the factor being repeated such as 2 in 2^3
Down
  1. 1. A mathematical statement such as (12-3)4-7 or 2x+8
  2. 2. The property illustrated by a+b=b+a
  3. 3. A term that has no variable such as 8 in 2x+8
  4. 4. PEMDAS (3 words)
  5. 5. ...-2, -1, 0, 1, 2,...
  6. 6. The property illustrated by 2(x-3)= 2x-6
  7. 7. Any number that lies on the number line (2 words)
  8. 11. To -- an algebraic expression, you substitute a given number for each variable then simplify
  9. 13. Numbers like pi, the sq root of 7, 2.3257892357...
  10. 15. 2ab+5ab-ab but not 2a+5b-ab (2 words)
  11. 16. Subtraction and Division are Commutative operations