maths crossword

1. a procedure or formula for solving a problem.
4. Two lines that lie exactly on top of each other.
6. a set of whole numbers and their opposites.
9. a decimal numeral that does not end.
11. _________polynomial is a polynomial with degree 2.
12. ___________numbers a positive integer that has at least one positive divisor other than one or the number itself.
14. __________number any numberthat can be expressed as the quotient or fraction p/q of two integers with q ≠0
15. ________number a natural number greater than 1 that has no positive divisors other than 1 and itself.
17. _________polynomial is a polyniomail with gegree 3.
18. __________number any realnumber that cannot be expressed as a ratio of integers.
20. the smallest number (not zero) that is a multiple of the given numbers

2. ____________ decimal is a decimal numeral that ends
3. Two or more lines that meet at a point
5. a number that occurs commonly and obviously in nature.
7. _________polynomial is a polynomial with degree 1.
8. a pair of equations that have a unique or infinite solution
10. apair of equations that has no solution
13. _______numbers a positive integer that is equal to the sum of its proper positive divisors
16. The largest common factor of two or more numbers
19. _________a "helping theorem" or a proven statement which is used as a stepping stone to a prove other statements