Chapter 1- The Tools of Algebra

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Across
  1. 2. What kind of expression is 20 + 12 - 2
  2. 3. Educated Guess
  3. 7. What kind of expression is m + 3n - 4
  4. 8. A graph that shows the relationship between two sets of data
  5. 9. The set of all x-coordinates of a relation
  6. 10. A place holder for any value
  7. 11. What would this be called: 2x = 16
  8. 13. The set of all y-coordinates of a relation
Down
  1. 1. For any numbers a and b, a + b = b + a.
  2. 4. To find the value of a numerical expression
  3. 5. What relationship would have x increase, but y decrease?
  4. 6. The answer to a division problem
  5. 8. The answer to an addition problem
  6. 12. What is the point (0,0) called?