Question

Which statement is true about the sum square root of 50 + square root of 18?

Answer 1

Answer:

i got the answer correct on a test it is in fact 8sqrt 2

Step-by-step explanation:

Answer 2

$\bf \sqrt{50}+\sqrt{18}\qquad \begin{cases} 50=2\cdot 5\cdot 5\\ \qquad 2\cdot 5^2\\ 18=2\cdot 3\cdot 3\\ \qquad 2\cdot 3^2 \end{cases}\implies \sqrt{2\cdot 5^2}+\sqrt{2\cdot 3^2} \\\\\\ 5\sqrt{2}+3\sqrt{2}\implies 8\sqrt{2}$