MEDAL
Which expression is irrational?

8 over 5.
square root of 4
square root of 10.
square root of 64

Question

MEDAL
Which expression is irrational?

 8 over 5.
 square root of 4
 square root of 10.
 square root of 64

stellabella146 · Answer

if the square root result is not a perfect square then its irrational

welshfella · Answer

and 8/5 is rational because its a fraction

milo123 · Answer

They all seem rational....

courtney233 · Answer

they are all rational

stellabella146 · Answer

fractions are NOT irrational. so 8/5 is rational.

the square root of 4 is 2

the square root 3.16227766017

the square root of 64 is 8

stellabella146 · Answer

which isn't a perfect square?

milo123 · Answer

10

welshfella · Answer

in fact the square root of 10 continues beyond bounds and cannot be written in fractional form.

milo123 · Answer

thanks!

stellabella146 · Answer

Good Job! so the square root of 10 is irrational because it is not a perfect square.

welshfella · Answer

- thats your irrational

milo123 · Answer

could you help with another please?

milo123 · Answer

What is the value of 5 to the power of 4 over 5 to the power of 6?

 1 over 25
 1 over 5 
 5
 25

stellabella146 · Answer

can also can't be a fraction, as welshfella said

stellabella146 · Answer

can you post that as a new question please?

milo123 · Answer

ok