Question

eighth grade > e.3 positive and negative square roots 8tf what is the positive square root of 25?

Explanation:

Step1: Recall square - root definition

The square root of a number $x$ is a value $y$ such that $y^2=x$. For $x = 25$, we need to find $y$ where $y>0$ and $y^2 = 25$.
We know that $5\times5=25$ and $(- 5)\times(-5)=25$.

Step2: Select positive root

Since we want the positive square - root, we choose $y = 5$.

Answer:

5