Question 127533
the rational numbers
are the numbers of arithmetic: The whole numbers, fractions, mixed numbers, and decimals; together with their negative images.
1, −6, 3½, -2/3, 0, 5.8, 3.1415926535897932384626433 (an approximation to 
{{{pi}}})

the irrational numbers
there is no whole number, no fraction, and no decimal whose square is 2, 5, 6, 7, 8.....; so, they are the irrational numbers

{{{sqrt(1)= 1}}}..... Rational
{{{sqrt(2)}}}.......Irrational
{{{sqrt(3)}}}.......Irrational
{{{sqrt(4)= 2}}}......... Rational
{{{sqrt(5)}}}......., {{{sqrt(6)}}}......., {{{sqrt(7)}}}......., {{{sqrt(8)}}}.......Irrational
{{{sqrt(9)=3}}}....... Rational
which of them are rational or irrational.
{{{3*3.142}}}, .........rational (it is {{{3*pi}}})
{{{2/3.142}}}.........rational 
{{{sqrt(3)}}}.......Irrational
{{{sqrt(16-9) = sqrt(7)}}}.......Irrational