-0.7
4
Another rational expression.
Yes.
If you divide a rational expression by another rational expression, you will again get a rational expression.
Any number that can be expressed as a fraction is a rational number otherwise it is an irrational number.
The expression written in the question is the rational expression.
Any rational number of the form 5k/8k where k is an integer is equivalent.
I can see no rational expression below.
The expression is not factorable with rational numbers.
another rational expression.
A rational expression is not defined whenever the denominator of the expression equals zero. These will be the roots or zeros of the denominator.
If there is no common factor other than 1 in a rational expression, it is in simplest terms or form.