MAT121

3. the number resulting from addition
4. inverse operation for addition
6. how many things in a set
8. set of all elements that are from 2 or more sets
10. exactly 2 factors, the number itself and one
12. singular, characters used to represent numbers
14. if every member of set A is assigned to a unique member of set B and every member of set B is used
15. include whole numbers and their opposites
19. when there is a 1-1 correspondence between the elements of both sets
21. a number that divides another number evenly
23. common members between 2 sets
24. the number resulting from multiplication
25. sequence set of digits used to identify something such as a phone number
26. repeated addition
28. the universe is a rectangle and closed loops inside the universe correspond to sets
29. set that has no element
31. limitless
33. all the members of the universe not in set A
34. set of options allowed to use
36. the number resulting from subtraction
37. no common members in 2 or more sets
38. include positive integers without 0
39. the distance from zero to a number

1. if a and b are any two whole numbers, then a+b=b+a
2. describes where an object is in a sequence
5. has a limit, the number ends
7. product result of one number multiplied by another
9. an operation in which two whole numbers are combined to form another whole number
11. If a is any whole number, then a+0=0+a=a
13. amount left over after division
16. includes integers, fractions with integer numerators and denominators, and decimals that terminate or repeat
17. if a,b,c are any three whole numbers, then a+(b+c)=(a+b)+c
18. counting numbers
20. non-terminating and non-repeating decimals
22. has more than 2 factors
27. repeated subtraction
30. number(s) from an existing set
32. a group of distinct objects
35. an object that belongs to a set