maths crossword

2. Two lines that lie on top of one another are called
7. lines that remain the same distance apart over their entire length
8. A natural number greater than 1 that is not a prime number
10. polynomial of degree 2
11. product of the smallest power of each common prime factor in the numbers
12. a number whose prime factors of the denominator is not in the form 2m.5n
13. If a system has at least one solution, it is said to be
14. positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself
15. number that cannot be written in the form p/q format
18. product of the greatest power of each prime factor involved in the numbers
19. curve formed from all the points (x, y) that are equidistant from the directrix and the focus.

1. If a system has no solution, it is said to be
3. a number whose prime factors of the denominator is in the form 2m.5n
4. series of well defined steps which gives a procedure for solving a type of problem
5. If a consistent system has an infinite number of solutions, it is
6. polynomial of degree 1
8. polynomial of degree 3
9. Two or more lines that meet at a point are called
16. number that can be written in the form p/q where p and q are integers
17. proven statement used for proving another statement
19. a natural number greater than 1 that has no positive divisors other than 1 and itself