Write the complex number in standard form. $\sqrt { - 17.64 }$
A)17.64i
B)4.2i
C)7.2i
D)-4.2i
E)-17.64i

Name: Write the complex number in standard form. $\sqrt { - 17.64 }$ A)17.64i B)4.2i C)7.2i D)-4.2i E)-17.64i
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Question

Write the complex number in standard form.​ $\sqrt { - 17.64 }$ ​
A)17.64i
B)4.2i
C)​7.2i
D)-4.2i
E)-17.64i

Quizplus · Accepted Answer

The square root of -17.64 can be written as $\sqrt{-17.64} = \sqrt{17.64} \cdot i$. Since $\sqrt{17.64} = 4.2$, the correct answer is $4.2i$, which corresponds to option B.

Write the Complex Number in Standard Form −17.64\sqrt { - 17.64 }−17.64​

Write the Complex Number in Standard Form $\sqrt { - 17.64 }$