SOL 8.2 (Subsets Of The Real Number System)

Question 1

What are whole numbers?

Answer 1

All the natural numbers plus zero.
Ex:
(0,1,2,3,4)

Question 2

What are integers?

Answer 2

All the whole numbers and their opposites.
Ex:
(-3,-2,-1,0,1,2,3)

Question 3

What are rational numbers?

Answer 3

Any number that terminates or repeats WITH a pattern.
Ex:
2.8, 3.9999…, 4(1/2)

Question 4

What are irrational numbers?

Answer 4

Any number that repeats WITHOUT a pattern.
Ex:
The square root of 17, 22/7

Question 5

All of these subsets are subsets of the ______________

Answer 5

Real Number System

Question 6

Name all the subsets that -4 belongs to.

Answer 6

Real, Integer, Rational

Question 7

Name all the subsets that 0 belongs to

Answer 7

Real, Whole, Integer, and Rational

Question 8

Name all the subsets that Pi belongs to.

Answer 8

Real, Irrational

Question 9

What are natural numbers?

Answer 9

All the counting numbers
Ex:
(1,2,3,4)

Question 10

What is a subset?

Answer 10

Smaller or more specific group within a set.

Question 11

Which of the following does not contain the number 24? 
A) integers
B) whole numbers
C) natural numbers
D) irrational numbers

Answer 11

D) Irrational numbers

Question 12

Which of the following is not a rational number.
A) -0.75
B) 0
C) the square root of 16
D) the square root of 13

Answer 12

D) the square root of 13

Question 13

What subset on the real number system is completely contained in the whole numbers?
A) Natural 
B) Integer
C) Rational
D) Irrational

Answer 13

A) Natural

Question 14

The set of whole numbers is not a subset of 
A) Irrational numbers
B) integers
C) rational numbers
D) real numbers

Answer 14

A) irrational numbers

Question 15

Which number in this list is not an integer? 
A) 12/4
B) -4•-4
C) the square root of 25
D) -4.8

Answer 15

D) -4.8

Question 16

Which number is an irrational number? 
A) the negative square root of 9
B) -10
C) 5.499
D) the square root of 17

Answer 16

D) the square root of 17