Question

Match the square root expressions with the simplified expressions need 3 and 4

Answer 1

3) 13 (option D)

4) 3 (option A)

Explanation:$\begin{gathered} 3)\text{ (}\sqrt[]{121)}(\sqrt[]{9})-4\sqrt[]{25}_{} \\ \text{(}\sqrt[]{121)}\text{ = 11} \\ \sqrt[]{9}\text{ = 3} \\ \sqrt[]{25}\text{ = 5} \end{gathered}$$\begin{gathered} =(11)(3)\text{ - 4(5)} \\ =\text{ 33 - 20} \\ =\text{ 13 (option D)} \end{gathered}$$\begin{gathered} 4)\text{ 5}\sqrt[]{9}\text{ - 6}\sqrt[]{4} \\ \sqrt[]{9\text{ }}\text{ = 3} \\ \sqrt[]{4}\text{ = 2} \\ =5(3)\text{ - 6(2)} \\ =\text{ 15 - 12 } \\ =\text{ 3 (option A)} \end{gathered}$