Numbers Flashcards
Cards for proofs questions (5 cards)
1
Q
How would integers be presented and what are they?
A
Denoted with a Z, all whole numbers
2
Q
How would real numbers be presented and what are they?
A
With an R, literally every number on the number line
3
Q
How would natural numbers be presented and what are they?
A
With an N, all positive integers
4
Q
How would Rational numbers be presented and what are they?
A
With a Q, all numbers which can be expressed as a fraction p/q, where p and q are integers and q is not 0
5
Q
How would Irrational numbers be presented and what are they?
A
With an I, all numbers which can’t be expressed as a fraction where both numerator and denominator are integers.