Add and Subtract Radicals Quick Check

2 of 52 of 5 Items
Question
Add 19−−√ + 19−−√
.(1 point)
Responses

238−−√
2 Start Root 38 End Root

40−−√
Start Root 40 End Root

219−−√
2 Start Root 19 End Root

20−−√
Start Root 20 End Root
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1 answer

To add \( \sqrt{19} + \sqrt{19} \):

Since both terms are the same, you can add the coefficients:

\[ \sqrt{19} + \sqrt{19} = 2\sqrt{19} \]

So, the correct answer is:

\(2\sqrt{19}\)