Rational Numbers Symbol Q. If a +1 button is dark blue, you have already +1'd it. The letters r, q, n, and z refers to a set of numbers such that:
If a rational number is still in the form p/q it can be a little difficult to use, so i have a special page on how to: The rational numbers the rational numbers the resulting collection of equivalence classes will be called the set of rational numbers, and we shall denote this set with the symbol q. We choose a point called origin, to represent $$0$$, and another point, usually on the right side, to represent $$1$$.
Hence, we can say that ‘0’ is also a rational number, as we can represent it in many forms such as 0/1, 0/2, 0/3, etc.
But an irrational number cannot be written in the form of simple fractions. Rational numbers are all real numbers, and can be positive or negative.a number that is not rational is called irrational. The set of rational numbers is defined as all numbers that can be written as. The symbol for rational numbers is {eq}\mathbb{q} {/eq}.