Positive and negative numbers Flashcards
1
Q
Sun of two Irrational numbers
A
Irrational unless the numbers are each others inverses
2
Q
Sun of two Rational numbers
A
Always Rational
3
Q
Sun of a Rational and Irrational number
A
Always Irraional
4
Q
Product of two Rational numbers
A
Always Rational
5
Q
Product of a Rational and Irrational number
A
Irrational unless the rational number is zero
6
Q
Product of two Irrational numbers
A
Sometimes Irrational
7
Q
Positive + Positive
A
Positive
8
Q
Positive + Negative
Positive is greater
A
Positive
9
Q
Negative + Negative
A
Negative
10
Q
Positive + Negative
Negative is Greater
A
Negative
11
Q
Positive x Positive
A
Positive
12
Q
Positive x Negative
A
Negative
13
Q
Negative x Positive
A
Negative
14
Q
Negative x Negative
A
Positive
15
Q
Positive - Negative
A
Positive
