Question #f0a72

1 Answer
Jun 22, 2017

#-3 2/5# is a RATIONAL number. It can be written as a RATIO.

Explanation:

#-3 2/5#

The value given is a mixed number, meaning it is given as a fraction.

Its position can be given accurately on a number line - it is exactly two-fifths of the distance between #-3 and -4#

It can also be expressed as an improper fraction as #-17/5#.

This means there is a ratio of #17:5# between the numerator and denominator. This means it is a RATIONAL number.

A RATIONAL number is one which can be written as a fraction -

ie in the form #a/b, (b!=0)#

Rational numbers can be placed exactly on the number line.

IRRATIONAL numbers cannot be written as fractions, only as radicals and their exact positions cannot be shown on a number line.

#sqrt13# is irrational but #13/3# is rational.