Real Numbers Flashcards
What is this sign N
Natural numbers
What is this sign W
Whole numbers
What is this sign Z
Integers
What is this sign I
Irrational numbers
What is this sign Q
Rational numbers
Examples of rational numbers
Any number that can be expressed as a fraction or any number from negative infinite to infinite.
Give an example of irrational numbers
Any number that can’t be expressed as a fraction
Pi sqaure root of 5
Give an example of integers
Positive and negative numbers including 0
Give an example of whole numbers
Numbers from 0 to infinite
Give an example of natural numbers
The counting numbers
Give an example of real numbers
Any number non - imaginary
What does the sign that looks like a c mean
A subset of
What does the sign that looks like an e mean
An element of
What does this sign mean ‘
Compliment of
What form is this U={Xl -2< 5, x e Z}
Set Builder form
