Use the product rule to multiply. Assume all variables represent positive real numbers.
-$\sqrt { 5 } \cdot \sqrt { 5 }$
A) $\sqrt { 25 }$
B) $\sqrt { 5 }$
C) $\sqrt { 10 }$
D) 5

Question

Quizplus · Accepted Answer

The product rule for square roots states that $\sqrt{a} \cdot \sqrt{a} = \sqrt{a^2}$. Applying this rule, $\sqrt{5} \cdot \sqrt{5} = \sqrt{5^2} = \sqrt{25}$, which simplifies to 5.

Use the Product Rule to Multiply 5⋅5\sqrt { 5 } \cdot \sqrt { 5 }5​⋅5​

Use the Product Rule to Multiply $\sqrt { 5 } \cdot \sqrt { 5 }$