Which radical expression is an irrational number? a. √ 121 b. √ 65 c. √ 36 d. √ 64

to simplify what the other person said the answer is C

Step-by-step explanation:

We will verify each options

option-A:

we can factor it

so, this is not irrational.........Answer

option-B:

Since, it can not be factored

so, this is irrational.........................Answer

option-C:

we can factor it

so, this is not irrational.........Answer

option-D:

we can factor it

so, this is not irrational.........Answer

1/4 because there is 4 grades.

linear pair postulates