Question

An expression is shown below:

square root of 32 plus square root of 2

Which statement is true about the expression?

It is rational and equal to 4.

It is rational and equal to 5.

It is irrational and equal to 5 multiplied by square root of 2.

It is irrational and equal to 5 multiplied by square root of 2.

Answer 1

Answer:c

Explanation:

Answer 2

Even they are repeated, the last two questions are the correct ones. It can not be the other options cause the expression is not rational because:
√32=√(16*2)=4√2
4√2 + √2=5√2
That is why is irrational