Multiple choice

√18 + √8

  1. 5√2

  2. √26

  3. 6√2

  4. 5√4

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Simplify the radicals: sqrt(18) = 3*sqrt(2) and sqrt(8) = 2*sqrt(2). Adding them gives 3*sqrt(2) + 2*sqrt(2) = 5*sqrt(2).