maths fun

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Across
  1. 2. a _____ is a proven statement.
  2. 3. 2 and 3 are _____ number.
  3. 5. a ______ number is a positive integer that is equal to the sum of its proper positive divisors
  4. 7. _______ number consist of rational and irrational.
  5. 8. every ____ number can be expressed as product of primes.
  6. 9. for any rational number p/q where prime factorization of q is not of the form 25, where m and n are non negative integers are called_____ decimal.
  7. 13. A decimal number that has digits that do not go on forever.
  8. 15. proven statement used for proving other statement.
  9. 17. A system of equations that has at least one solution
  10. 19. A graph with coinciding lines have ___ solution.
Down
  1. 1. if value of x&y can satisfy the equation ax+by+c=0,then x&y are the _____ of it.
  2. 3. A system of equations which has no solutions
  3. 4. The_____ of 2 numbers is the smallest number that divided both the numbers.
  4. 6. a number that can be written in p/q form is called____?
  5. 10. a1/a2=b1/b2
  6. 11. is a step-by-step solution.
  7. 12. a graph has no solution
  8. 14. number ______ can be divided evenly only by 1, or itself.
  9. 16. The largest common factor of two or more numbers is called the___.
  10. 18. The numbers used for counting. That is, the numbers 1, 2, 3, 4, etc