Question

What is the exact value of the expression √12 + √50 - √48? Simplify completely.

Answer 1

@jim_thompson5910 Thanks again. :)

Answer 2

@ParthKohli Help?

Answer 3

Do you know radicals?

Answer 4

Yes a little im just not totally sure on how to do them.

Answer 5

You just factor.
For example

\(\Large \color{MidnightBlue}{\Rightarrow \sqrt{12} = \sqrt{\cancel{2 * 2} * 3} = 2\sqrt3 }\)

Answer 6

Ok what about the 50...

Answer 7

\(\Large \color{MidnightBlue}{\Rightarrow \sqrt{50} = \sqrt{5 * 2 * 5} = \sqrt{\cancel{5 * 5} * 2} = {5\sqrt{2}} }\)

Answer 8

@lgbasallote link your tutorial please

Answer 9

nahh it was a flop :p

Answer 10

How do you put everything together?

Answer 11

For example:


\(\Large \color{MidnightBlue}{\Rightarrow 2\sqrt{2} - 3\sqrt2 = -1\sqrt2 }\)
or
\(\Large \color{MidnightBlue}{\Rightarrow 19\sqrt{13} + 14\sqrt{13} = 33\sqrt{13} }\)

But, you can't do this:
\(\Large \color{MidnightBlue}{\Rightarrow 4\sqrt{y} + 8\sqrt{x} = 12\sqrt{xy} }\)

Answer 12

ok.

Answer 13

I still dont know the full answer to my question. :/

Answer 14

\(\Large \color{MidnightBlue}{\Rightarrow \sqrt{48} = \sqrt{2 * 2 * 2 * 2 * 3} = 4\sqrt{3} }\)

Answer 15

\(\Large \color{MidnightBlue}{\Rightarrow 2\sqrt{3} + 5\sqrt{2} - 4\sqrt{3} = -2\sqrt3 + 5\sqrt2 }\)

Answer 16

ok thanks