Mat 232 Week 2 Complete Question Set With Verified Answers

MAT 232 WEEK 2 COMPLETE QUESTION SET
WITH VERIFIED ANSWERS

◉ elements or members.
Answer: objects that belong in the set


◉ 2 ways to designate a set.
Answer: 1) describe the set using words
2) list the elements of the set inside a pair of {} ( called roaster
method)


◉ Ex. of designating a setS,M,T,W,TR,F,SA.
Answer: 1) using words: the set of all the days in a week
2) roster method: {S,M,T,W,TR,F,SA}


◉ basic number sets.
Answer: 1) real #
2) irrational #
3) rationals #
4) integers
5) whole #

,6) natural/ counting #


◉ real numbers.
Answer: the set of all rational and irrational numbers. Largest set


◉ irrational numbers.
Answer: the set of all non-terminating, non-repeating decimals.
ex. pie, e,


◉ rational numbers.
Answer: the set of all terminating, or repeating decimals.
ex. 1/2=.5, 1/4=.25, .272727


◉ integers.
Answer: positive and negative whole numbers
ex. {...-3,-2,-1,1,1,2,3...}


◉ e.
Answer: "element of"
ex. 6eZ


◉ whole numbers.

, Answer: 0 and all positive values
ex. {0,1,2,3,4,5...}


◉ natural or counting numbers.
Answer: start at 1 in a positive direction
ex. {1,2,3,4,5...}


◉ ....
Answer: numbers continue in that set pattern


◉ well defined sets.
Answer: set where it is possible to determine whether any given
item is an element of the set
ex. a set of letter in the English alphabet


◉ empty set or null state.
Answer: the set that contains no elements {}
ex. the set of natural numbers that are negative integers


◉ |.
Answer: "such that"