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Chapter 1: Q59. (page 10)

Evaluate each expression
59. $\sqrt{9}$

Short Answer

Expert verified

Expression $\sqrt{9}$ results into 3

Step by step solution

01

- Meaning of a

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

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

02

- Find a whole number whose square is 9

Since, $3^{2} = 9$

So, a whole number whose square is 9 is 3

03

- 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

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Most popular questions from this chapter

Find the value of each expression

28. $\frac{1}{3} (4 - 7^{2})$

Find the value of each expression

$10 - 8 \div 2$

Name the property illustrated by each equation.

$(1 \frac{2}{7}) (\frac{7}{9}) = 1$

Simplify each expression

14. $9 p - 2 n + 4 p + 2 n$

Evaluate each expression if $x = 4, y = - 2,$ and $z = 6$

$x + {(y - 1)}^{3}$

See all solutions

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