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Mathematics 16 Online
OpenStudy (yayrocks23):

How do you add/subtract the radical below?

OpenStudy (yayrocks23):

\[\sqrt{8} + \sqrt{50}\]

OpenStudy (xxbrittxx):

Ok When adding or subtracting radicals, you must use the same concept as that of adding or subtracting "like" variables.

OpenStudy (yayrocks23):

\[\sqrt{27} + \sqrt{75}\]

OpenStudy (yayrocks23):

ok...

OpenStudy (xxbrittxx):

If the radicals in your problem are different, be sure to check to see if the radicals can be simplified.

OpenStudy (xxbrittxx):

Yes use mathway.com

OpenStudy (yayrocks23):

50 can be simplified to \[5\sqrt{2}\]

OpenStudy (xxbrittxx):

Yes if you want you can use www.mathway.com

OpenStudy (xxbrittxx):

It will give an explanation and the answer

OpenStudy (yayrocks23):

so how do you add \[\sqrt{8} + 5\sqrt{2}\]

OpenStudy (xxbrittxx):

\[7\sqrt{2}\] Simplify each radical, then combine.

OpenStudy (anonymous):

\[2 \sqrt{2}+5 \sqrt{2}=7 \sqrt{2} \]

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