Answer:
Understanding rational and irrational numbers
An irrational number is a number that cannot be written as a ratio (or fraction). In decimal form, it never ends or repeats. The ancient Greeks discovered that not all numbers are rational; there are equations that cannot be solved using ratios of integers. The first such equation to be studied was 2=x2.
Step-by-step explanation:
Example: The rational and irrational numbers are disjoint. ... All other types of numbers (integers, rational numbers, irrational numbers ) are subsets of the universal set of real numbers.
