Express the radical using the imaginary unit, ¿. Express your answer in simplified form. √-18 = ±

asked Aug 16, 2023 174k views

3 votes

Express the radical using the imaginary unit, ¿.

Express your answer in simplified form.
√-18 = ±

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7 votes

Answer: √-18 = 3√2 i

Because i is √-1 so think like √18 x √-1 which means √18 i so answer is 3√2 i

Michael Rader answered Aug 21, 2023

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