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USPshnik [31]
3 years ago
6

Which radical expression is an irrational number? A. √ 121 B. √ 65 C. √ 36 D. √ 64

Mathematics
2 answers:
alina1380 [7]3 years ago
6 0

We will verify each options

option-A:

\sqrt{121}

we can factor it

\sqrt{121}=\sqrt{11*11}

\sqrt{121}=\sqrt{11^2}

\sqrt{121}=11

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

option-B:

\sqrt{65}

Since, it can not be factored

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

option-C:

\sqrt{36}

we can factor it

\sqrt{36}=\sqrt{6*6}

\sqrt{36}=\sqrt{6^2}

\sqrt{36}=6

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

option-D:

\sqrt{64}

we can factor it

\sqrt{64}=\sqrt{8*8}

\sqrt{64}=\sqrt{8^2}

\sqrt{64}=8

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


lesya692 [45]3 years ago
6 0

Answer:

to simplify what the other person said the answer is C


Step-by-step explanation:


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