Vocab #1 Flashcards
1
Q
Imaginary number
A
The square root of a negative number
2
Q
Rational number
A
A number that can be written as a fraction in the form of a over b
3
Q
Irrational number
A
A number that cannot be expressed as a Over b
4
Q
Real number
A
The set of rational numbers together with the set of irrational numbers
5
Q
Natural number
A
Used for accounting or ordering (sometimes called whole number)
6
Q
Integer
A
Whole numbers and their opposites
…-1-2-30123…
7
Q
Terminating decimal
A
A decimal whose digits end
Can be written as a fraction with a denominator of 10, 100, thousand
8
Q
Non-terminating decimal
A
A decimal with no end
9
Q
Bar notation
A
A bar place over the digits that repeat in a decimal
