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03-12-2020
Mathematics

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Write ✓-49 as an imaginary number using i.

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03-12-2020

answer: 7i
explanation: √-1 is i because a negative square root is imaginary. you can take out the negative from the inside of the square root and replace it with i on the outside. that leaves you with √49, which is 7, and that gives you 7i

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