How many of these are irrational numbers?
-sqrt(16/36)
-sqrt(27/48)
-sqrt(9/8)
-sqrt(10/5)
-sqrt(37/50)
-sqrt(2/8)
How many of these are irrational numbers? —>>> The answer is that 3 of them are irrational.
You know that all "rational" means is can it be expressed as a ratio.
-sqrt(16/36) 4/6 rational
-sqrt(27/48) divide by 3/3 and the answer is 3/4 rational
-sqrt(9/8) multiply by 2/2 and the answer is 3sqrt(2)/4 irrational
-sqrt(10/5) sqrt(2) irrational
-sqrt(37/50) this won't reduce irrational
-sqrt(2/8) 1/2 rational
