Algebra - Chapter 3

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Across
  1. 2. the number or numbers that when substituted into an equation make the equation true
  2. 3. the result of multiplying
  3. 4. the result of adding
  4. 5. the set of numbers {...-3, -2, -1, 0, 1, 2, 2...}
  5. 6. a set of numbers is closed under an operation if the result of applying the operation to any two numbers in the set produces a number in the set
  6. 9. to find all the solutions to an equation
  7. 10. an expression that is the sum or difference of two or more terms
  8. 11. a type of diagram used to visualize multiplying expressions without algebra tiles
  9. 14. an expression that is the sum or difference of exactly two terms
  10. 15. ax + by = c
  11. 17. a combination of individual terms separated by plus or minus signs
Down
  1. 1. used to write a product of expressions as a sum of terms
  2. 7. a mathematical sentence in which two expressions appear on either side of an "equals" sign, stating that the two expressions are equivalent
  3. 8. a manipulative whose area represents a constant or variable quantity
  4. 12. indicates how many times to use the base as a multiplier
  5. 13. a single number, variable, or the product of numbers and variables
  6. 16. the number of square units needed to fill up a region on a flat surface
  7. 17. substitute the value(s) given for the variables(s) and perform the operations according to the order of operations