Question 1
DB question no.: 1
Points: 1
Multiply and simplify. Assume that all variables are positive. \(\sqrt{8y^5} \cdot \sqrt{40y^2}\)
Explanation
Multiply the radicands: \(\sqrt{8y^5 \cdot 40y^2} = \sqrt{320y^7}\). Simplify by factoring out perfect squares: \(\sqrt{64 \cdot 5 \cdot y^6 \cdot y} = 8y^3\sqrt{5y}\).