Algebra crossword puzzle

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Across
  1. 5. - An Element or numbered in a sequence.
  2. 8. property - For all real numbers a, b, and c, a(b + c) = ab + ac, and a(b - c) a = ab - ac.
  3. 10. - Have the same values of the variables.
  4. 13. property - The property that states that for all real numbers a, b, and c, the sum is always the same, regardless of their grouping.
  5. 14. - A symbol used to represent a quantity that can change.
  6. 15. expression - An expression that contains only numbers and expressions.
Down
  1. 1. expression - An expression that contains at least one variable.
  2. 2. property - The property that states that two or more numbers can be added in any order without changing the sum.
  3. 3. number - A number that is less than zero.
  4. 4. - A number in the form a/b.,
  5. 6. of operations - A rule for evaluating expressions.
  6. 7. - The result when one number is divided by another.
  7. 9. - The result of one or more multiplications.
  8. 11. fraction - A fraction in which the numerator is greater than an equal to the denominator..
  9. 12. - The set of whole numbers and their numbers.