Question

Evaluate the expression: negative square root of zero point two five
1. -0.5
2. 0.05
3. -0.05
4. 0.5

Answer 1

-0.5

Answer 2

\(\normalsize\color{blue}{ \sqrt{-0.25}=\sqrt{-\frac{1}{4}} = i\sqrt{\frac{1}{4}}=i\frac{1}{\sqrt{4}}=?}\)

Answer 3

Or that or that. I think @nirmalnema got the prob right. Sorry...

Answer 4

um can yu just tell me the answer please

Answer 5

I am understanding the minus is in .. and even if it is out, then it is
±(-0.5)

Answer 6

which still gives ±0.5

Answer 7

@SolomonZelman my ans is correct.

Answer 8

yes, but not complete

Answer 9

√ (0.5)² = ± 0.5

Answer 10

ok

Answer 11

you forgot the negative outcome of the root, - - gives +.