Question 91721
rational numbers are those that can be written as the RATIO of two whole numbers, while irrational numbers can't be


examples are helpful ... 3, 11/4, -3/7, 2i are all rational


numbers like {{{sqrt(7)}}} and pi are irrational - not equal to ANY fraction ... this is true of ALL non-perfect square roots


real numbers are those that DON'T contain an imaginary component - no {{{sqrt(-1)}}} or i


a number can be rational or irrational AND real or imaginary