Q59. - Algebra 2

Question

Evaluate each expression 

59. $\sqrt{9}$

Step-by-Step Solution

Answer

Expression $\sqrt{9}$ results into 3

Step 1 - Meaning of a

The symbol $\sqrt{}$ is used to denote square root of a number.

Thus $\sqrt{a}$ denotes square root of  $\text{'}a\text{'}$

Step 2 - Find a whole number whose square is 9

Since,  $3^2=9$

So, a whole number whose square is 9 is 3 

Step 3 - Simplify 9

Since, square of 3 is 9

So, square root of 9 is 3,  $\sqrt{9}=3$

Thus, value of $\sqrt{9}$ is 3