unit one vocab

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Across
  1. 3. of operations the order to solve an operation
  2. 4. equations algebraic expressions that have the same value for all values of the variables
  3. 8. to substitute a given number for each variable then simplify
  4. 10. inverse the opposite or additive inverse of any number a is -a. the sum of opposites
  5. 11. the numerical factor when a term has a variable
Down
  1. 1. whole numbers and their opposites
  2. 2. a symbol that represents one or more numbers
  3. 5. a product with a number and one or more variables
  4. 6. expression mathematical phrase that includes one or more variables.
  5. 7. number is a number that is either rational or irrational
  6. 9. to replace an expression with its simplest form