Question

finish problem: 4pm2sqrt{8}/8

Answer 1

\[\frac{4\pm \sqrt{8}}{8}\]
\[=\frac{4\pm 2\sqrt{2*4}}{8}\]
\[=\frac{4\pm 4\sqrt{2}}{8}\]
\[\approx 1.2\]

Answer 2

why did u leave it in dec. form?

Answer 3

I didn't have to. I could have left it as:
\[\frac{1}{2}+\frac{1}{\sqrt{2}}\]
\[\approx 1.2\]

Answer 4

and this will be -1.2,+1.2?