Algebra

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Across
  1. 3. any integer which is a multiple of The even integers
  2. 4. an integer which is not a multiple of
  3. 5. Integers in counting order
  4. 7. a trinomial that is the square of a bionoimal
  5. 8. two perfect squares separated by a subtraction sign
Down
  1. 1. always has 3 roots
  2. 2. A product of factors is zero if and only if one or more of the factors is zero
  3. 6. the solution of quadratic equations
  4. 9. any equation that can be rearranged in standard form