Question

If x2 = 30, what is the value of x?

ą60
ą15
ąsquare root of 30
ąsquare root of 15

Answer 1

square root of 30
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Answer 2

C.
`x=\pm√(30)`

Explanation:

We have been given an equation
`x^2=30`. We are asked to find the value of x.

To solve for x, we will take square root of both sides of our given equation as shown below:

`√(x^2)=\pm√(30)`

Using radical rule
`\sqrt[n]{a^n}=a`, we will get:

`x=\pm√(30)`

Therefore, the value of x is
`\pm√(30)` and option C is the correct choice.