Question

square root -40 divided by square root -4
What is the answer?

Answer 1

Answer:

  √10

Step-by-step explanation:

There are a couple of ways you can go at this.

  $\dfrac{\sqrt{-40}}{\sqrt{-4}}=\sqrt{\dfrac{-40}{-4}}=\boxed{\sqrt{10}}$

or ...

  $\dfrac{\sqrt{-40}}{\sqrt{-4}}=\dfrac{2\sqrt{10}\,i}{2\,i}=\boxed{\sqrt{10}}$