Another rational expression.
Yes.
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.
Yes, but the converse is not true.
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.
I can see no rational expression below.
The expression is not factorable with rational numbers.
You will apply them when solving quadratic equations in which the quadratic expression cannot be factorised.
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.
A rational algebraic expression is the ratio of two algebraic expressions. That is, one algebraic expression divided by another. It is important that the domain is defined in such a way the the rational expression does not involve division by 0.
If there is no common factor other than 1 in a rational expression, it is in simplest terms or form.