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

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Across
  1. 2. degree 1 polynomial.
  2. 6. 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. 8. a pair of linear equations having a solution.
  4. 9. any real number that cannot be expressed as a ratio of integers.
  5. 10. Positive or negative,large or small, whole numbers or decimal numbers.
  6. 12. degree 4 polynomial.
  7. 14. a pair of linear equations that has no solution.
  8. 15. a positive integer that has at least one positive divisor other than one or the number itself.
Down
  1. 1. 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.
  2. 3. degree 3 polynomial.
  3. 4. degree 2 polynomial.
  4. 5. an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
  5. 7. an equation between two variables that gives a straight line when plotted on a graph.
  6. 11. a whole number greater than 1, whose only two whole-number factors are 1 and itself.
  7. 13. impossible to measure or calculate.