Evaluating Expressions With Square Roots

Evaluating Expressions with Square Roots

Presentation

•

Mathematics

•

8th Grade

•

Hard

Joseph Anderson

FREE Resource

10 Slides • 8 Questions

Expressions with Square Roots

Evaluating Expressions with Square Roots
$-\sqrt{1}$

Follow PEMDAS and take the square root of 1 then simplify:

-\ \cdot\ 1

-1

Evaluating Expressions with Square Roots
$\sqrt{25}\ +\ 5$

Follow PEMDAS and take the square root of 25 then add:

5\ +5

10

Evaluating Expressions with Square Roots
$\sqrt{81}\ -\ 8$

Follow PEMDAS and take the square root of 81 then subtract:

9\ -\ 8

1

Evaluating Expressions with Square Roots
$3\sqrt{49}$

Follow PEMDAS and take the square root of 49 then multiply:

3\cdot7

21

Evaluating Expressions with Square Roots
$-2\sqrt{100}$

Follow PEMDAS and take the square root of 100 then multiply:

-2\cdot10\

-20

Multiple Choice

What is the value of the expression $-\sqrt{9}$

-3

-81

Multiple Choice

What is the value of the expression $\sqrt{36}+\ 5$

Multiple Choice

What is the value of the expression

\sqrt{49}

- 8

-1

Multiple Choice

What is the value of the expression

5\sqrt{4}

$\frac{5}{2}$

Multiple Choice

What is the value of the expression

-8\sqrt{16}

$-\frac{1}{2}$

-32

-64

-128

More Evaluating
$\sqrt{\frac{1}{4}}$

Take the square root of both numbers

\frac{\sqrt{1}}{\sqrt{4}}

\frac{1}{2}

More Evaluating
$-\sqrt{\frac{9}{64}}$

Take the root of both numbers and simplify

-\frac{\sqrt{9}}{\sqrt{64}}

-\frac{3}{8}

More Evaluating
$\frac{3}{\sqrt{81}}$

Take the root of the bottom number

\frac{3}{9}

More Evaluating
$7\sqrt{25}\ +\ \left(-4\right)$

Follow PEMDAS

7\cdot5+\left(-4_{ }\right)

35\ +\ \left(-4\right)

31

Multiple Choice

What is the value of the expression

\sqrt{\frac{16}{36}}

$\frac{4}{7}$

$\frac{2}{3}$

$\frac{16}{36}$

$\frac{8}{18}$

Multiple Choice

What is the value of the expression

-\frac{\sqrt{25}}{9}

$\frac{5}{9}$

$-\frac{5}{9}$

$\frac{5}{3}$

$-\frac{5}{3}$

Multiple Choice

What is the value of the expression

2\sqrt{64}

+ (- 3)

Expressions with Square Roots

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