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How does -2 squared = 2i?

Guest Mar 2, 2017
 #1
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No -2^2 does not equal 2i, the square root of -2 is 2i. This if you are not in algebra 2 yet is because they made up a number that is equal to the square root of -1=i. -2 squared however is just positive 2.

Guest Mar 2, 2017
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If it is:

(-2)^2 = 4

If it is:

-(2)^2 = -4

Guest Mar 2, 2017

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