Write in terms of i.
-$\sqrt { - 162 }$
A) $- 9 \sqrt { 2 }$
B) $- 9 \mathrm { i } \sqrt { 2 }$
C) $9 \sqrt { 2 }$
D) $9 \mathrm { i } \sqrt { 2 }$

Name: Write in terms of i. -$\sqrt { - 162 }$ A) $- 9 \sqrt { 2 }$ B) $- 9 \mathrm { i } \sqrt { 2 }$ C) $9 \sqrt { 2 }$ D) $9 \mathrm { i } \sqrt { 2 }$
Brand: Quizplus
Rating: 4.8 (38 reviews)

Question

Quizplus · Accepted Answer

The square root of a negative number can be expressed in terms of i (the imaginary unit, where i^2 = -1). $\sqrt{-162} = \sqrt{162} \cdot \sqrt{-1} = 9\sqrt{2} \cdot i = 9i\sqrt{2}$.

Write in Terms of I −162\sqrt { - 162 }−162​ A) −92- 9 \sqrt { 2 }−92​

Write in Terms of I $\sqrt { - 162 }$ A) $- 9 \sqrt { 2 }$