Math Basics Flashcards
1
Q
Rational+/- Rational
A
Rational
2
Q
Rational × Rational
A
Rational
3
Q
Rational/Rational (where denominator ≠ 0)
A
Rational
4
Q
Rational +/- Irrational
A
Irrational
5
Q
Irrational +/- Irrational
A
Can’t say
6
Q
Irrational × Irrational
A
Can’t say
7
Q
Irrational/Irrational
A
Can’t say
8
Q
Rational × Irrational
A
If the result is 0 then Rational otherwise Irrational
9
Q
Square root of any positive real number is always____
A
Positive
10
Q
Anything divided by 0 (zero) is ____
A
Not defined
11
Q
Square root of negative numbers are _____
A
Not defined
12
Q
Multiplication and division (cancellation) is only valid for ______
A
Non-zero numbers / expressions
13
Q
Square (or even powers) of any number is always ____
A
Positive/0