Answer:
[tex]\sqrt{91}[/tex] is irrational
Step-by-step explanation:
A rational number is a number that can be written as a ratio. Any whole number is rational number because it can be turned into a ratio.
The [tex]\sqrt{91}[/tex] is irrational.
3 (or 3/1) is rational.
3/4 is rational
[tex]\sqrt{64}[/tex] = 8 and thus, is rational.
[tex]\sqrt{91}[/tex] = 9.539392014...... and is irrational
10.25 can be written as 41/4 so it's also rational.
This is based on my assumption you mistyped the 2 with the commas.