Number Sets Flashcards
“Higher” or other term for Counting Numbers
Natural Numbers
-2, -1, 0, 1, 2 — Are examples of which Number Sets?
Integers
0, 1, 2, 3, 4,… — Are examples of which Number Sets?
Whole Numbers
1, 2, 3, 4,… — Are examples of which Number Sets?
Counting/Natural Numbers
Decimals, Pi, 1.414,… — Are examples of which Number Sets?
Irrational Numbers
Fractions, 2/3, 4/9,… — Are examples of which Number Sets?
Rational Numbers
Is 0 (Zero) a Positive or a Negative Number?
Neither
Square root of -1 is?
- i = √-1
- Imaginary Number
What are Negative Numbers with no Square Root called?
Imaginary Numbers
What is an Imaginary Number?
A number expressed from the Square root of Negative Numbers
What is another term for Natural Numbers?
Counting Numbers
What Number Sets are Positive, Negative, Fractions, and Decimal Numbers called as a Whole?
Real Numbers
What Number Sets are Positive, Negative, Fractions, Decimal and Imaginary Numbers called as a Whole?
Complex Numbers
What numbers are included in the Complex Numbers
- Positive
ex. 4 - Negative
ex. -8 - Integers
ex. -1, 0, 1 - Whole/Zero
ex. 0, 1, 2 - Rational/Fractions
ex. 1/5 - Irrational/Decimals
ex. 6.5 - Imaginary Numbers
ex. 2i, i = √-1
What numbers are included in the Counting Numbers?
One and so on
ex. 1, 2, 3, 4,…
