Mathematics: An expression is shown below: square root of 18 plus square root of 2 which statement is true about the expression? it is rational and equal to 3. it is rational and equal to 4. it is irrational and equal to 3 multiplied by the square root of 2. it is irrational and equal to 4 multiplied by the square root of 2.

An expression is shown below: square root of 18

tyarber96

25.05.2020

It is irrational and is = to 4√2

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kathrynsalomon

11.03.2022

$\sqrt{18}+\sqrt{2}\text{ is irrational and equal to }4\sqrt2$

Step-by-step explanation:

Given the expression

$\sqrt{18}+\sqrt{2}$

we have to choose the true expression

$\sqrt{18}+\sqrt{2}=\sqrt{9\times 2}+\sqrt{2}$

$=3\sqrt2+\sqrt2$

$=4\sqrt2$

$\text{As }\sqrt2\text{ is irrational implies that }\sqrt{18}+\sqrt{2}\text{ is irrational and equal to }4\sqrt2$

Last option is correct

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doughboy123

02.04.2020

111x15324=1700964

Step-by-step explanation:

huud gt4345hynvj6bhjbgcvyeyhtfb

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