Question

Which expression is equivalent to sqrt 128x^5y^6/2x^7y^5

Answer 1

The answer is D on edge.

Explanation:

Edge 2021, took the quiz.

Answer 2

`\sqrt{(128x^5y^6)/(2x^7y^5)}=\sqrt{(128)/(2)\cdot(x^5)/(x^7)\cdot(y^6)/(y^5)}=\sqrt{64\cdot(1)/(x^2)\cdot(y)/(1)}=√(64)\cdot\sqrt{(1)/(x^2)}\cdot√(y)\\\\=\boxedx\\\\Used:\\\\√(ab)=√(a)\cdot√(b)\\\\√(a^2)=|a|`