Simplify $\sqrt{25}$√25.
Simplify $3\sqrt{81}$3√81.
What is the largest square number that divides exactly into $75$75?
Consider the expression $\sqrt{19}$√19.
Verify, through investigation with and without technology, that sqrt(ab)=sqrt(a) x sqrt(b), a>=0, b>=0, and use this relationship to simplify radicals