A rational number is any number that is not irrational - that is, it can be designated with numbers (2, -5, 0, 1/3, 0.14, etc.)
A non-negative rational number number is exactly what it sounds like. It's any rational number that is not negative.
x > 0 x is greater than zero.
yes
Yes.
It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.
yes
The absolute value of a number is always nonnegative.
An integer is a whole number. Nonnegative mean not negative. A nonnegative integer is a whole number that is not a negative number. For example, 0, 1, 2, 3, 4, 5,....
1
The unique nonnegative square root of a nonnegative real number. For example, the principal square root of 9 is 3, although both -3 and 3 are square roots of 9.
The set of nonnegative integers is the set {0, 1, 2, 3, 4, 5, 6, ...} Each number in this set is an "example".
The square root.
True
The square root
x > 0 x is greater than zero.
It is a rational number. It can be written as a fraction.
yes
Is 12.05 a rational number or irrational number?