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 a negative number can be expressed as the square root of the positive part times $i$, where $i$ is the imaginary unit. Thus, $\sqrt{-17.64} = \sqrt{17.64}i = 4.2i$.

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

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