Question

Explain and give an example of combining like radicals.

Answer 1

\[\sqrt{2} + \sqrt{2} = 2 \sqrt{2}\]

Answer 2

\[\sqrt{2} + \sqrt{8} = 3\sqrt{2}\]

Answer 3

the number under the radicals has to be the same in order to combine them

Answer 4

go to http://www.google.com and type

combine like radicals examples

Result one:
http://www.wtamu.edu/academic/anns/mps/math/mathlab/int_algebra/int_alg_tut40_addrad.htm