## Algebra 1: Common Core (15th Edition)

$\frac{3\sqrt 2}{4}$
Rationalize the denominator by multiplying $\sqrt 64$ to the numerator and denominator. $\frac{\sqrt 72}{\sqrt 64}\times\frac{\sqrt 64}{\sqrt 64}$ Simplify $\frac{\sqrt 4608}{64}$ $\frac{\sqrt 2\times\sqrt 2304}{64}$ $\frac{48\sqrt 2}{64}$ $\frac{3\sqrt 2}{4}$ Answer: $\frac{3\sqrt 2}{4}$