Perform the indicated operation and simplify. Write the result in the form a + bi.
-$\sqrt { - 148 }$
A) $- 2 i \sqrt { 37 }$
B) $2 \sqrt { 37 }$
C) $2 \mathrm { i } \sqrt { 37 }$
D) $- 2 \sqrt { 37 }$

Question

Quizplus · Accepted Answer

The square root of a negative number involves the imaginary unit $i$, where $i = \sqrt{-1}$. Thus, $\sqrt{-148} = \sqrt{148} \cdot \sqrt{-1} = \sqrt{4 \cdot 37} \cdot i = 2\sqrt{37}i$.

Perform the Indicated Operation and Simplify −148\sqrt { - 148 }−148​

Perform the Indicated Operation and Simplify $\sqrt { - 148 }$