Question

Add the following radicals. Give the answer in simplest radical form.

43–√+248−−√


(1 point)
Responses

363–√

36 square root of 3

651−−√

6 square root of 51

123–√

12 square root of 3

126–√

Answer 1

Interpret the expression as 4√3 + 2√48.

√48 = √(16·3) = 4√3, so 2√48 = 2·4√3 = 8√3.

Therefore 4√3 + 8√3 = 12√3.