SOLUTION: Which is a irrational number the square root of 5, the square root, of 9, the square root of -1, or the square root of 2 thirds

Question 186769: Which is a irrational number the square root of 5, the square root, of 9, the square root of -1, or the square root of 2 thirds
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
is irrational (since it CANNOT be written as a fraction of integers)

which is rational since

which is complex (ie not real)

is irrational as it can't be written as a fraction of 2 integers.
RELATED QUESTIONS
is the 1 and the square root of 9... (answered by josgarithmetic)

Square root of 6 * square root of 5 * square root of 4 * square root of 3 * square root... (answered by rothauserc)

Is the square root of 5 a rational or irrational... (answered by jim_thompson5910)

is the square root of 300 rational or... (answered by Fombitz)

is the square root of 42 rational or irrational... (answered by richard1234)

Is the square root of 61 rational or irrational (answered by Boreal,MathTherapy)

My problem involves finding an approximate positive square root for each number. Round a... (answered by LifeDeathnCandy)

Is the square root of -4 a rational or irrational number? If neither wat is... (answered by jsmallt9)

is the square root of 11 a natural whole interger rational or irrational... (answered by jim_thompson5910)