CROSSWARD PUZZLE FOR - REAL NUMBERS, LINEAR EQUATIONS IN TWO VARIABLES, POLYNOMIALS

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Across
  1. 2. a pair of linear equations that has no solution.
  2. 3. a lemma that captures a fundamental property of prime numbers, namely: If a prime divides the product of two numbers, it must divide at least one of those numbers.
  3. 4. a whole number greater than 1, whose only two whole-number factors are 1 and itself.
  4. 5. a positive integer that has at least one positive divisor other than one or the number itself.
  5. 9. degree 1 polynomial.
  6. 13. any real number that cannot be expressed as a ratio of integers.
  7. 14. a pair of linear equations having a solution.
Down
  1. 1. an algebraic equation in which each term is either a constant or the product of a constant and (the first power of) a single variable.
  2. 5. degree 3 polynomial.
  3. 6. an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
  4. 7. Positive or negative,large or small, whole numbers or decimal numbers.
  5. 8. any number that can be expressed as the quotient or fraction p/q of two integers, p and q, with the denominator q not equal to zero.
  6. 10. degree 4 polynomial.
  7. 11. impossible to measure or calculate.
  8. 12. degree 2 polynomial.