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X to the power of 2 = 121 what is x
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X to the power of 2 = 121 what is x

User AridTag
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2 Answers

6 votes
So the first step here is to square 121 which is 11. So therefore 11 to the power of 2 is 121. Reverse operation is key in this question or any question like this.
User Arty
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6.2k points
3 votes

Answer: x = -11, x = 11

Explanation:

x² = 121


√(x^2)=√(121)

x = ±11

x = -11, x = 11

User David Fooks
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6.5k points
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