Free Printable Rdacina patrata a unui numar rational patrat perfect

1.

$Calculand$
$\sqrt{4}+\sqrt{25}-\sqrt{49}\$

$obtinem\ :$

a)

-20

b)

$\sqrt{20}$

c)

$-\sqrt{20}$

d)

0

2.

$Calculand\ \sqrt{10^2-8^2}\ obtinem:$

a)

$2^2$

b)

$2$

c)

$6$

d)

$8$

3.

$Calculand\ \ 8+\sqrt{8+\sqrt{8^2}}obtinem\ :$

a)

$24$

b)

$16$

c)

$12$

d)

$10$

4.

$Calculand:\sqrt{5^2\cdot3^4\cdot2^6}obtinem:$

a)

$360$

b)

$340$

c)

$320$

d)

$280$

5.

$Calculand\ \sqrt{5\ \frac{4}{9}}+\sqrt{0,\left(4\right)}obtinem:$

a)

$3$

b)

$6$

c)

$9$

d)

$12$

6.

Folosind algoritmul de extragere a
radacinii patrate pentru: $\sqrt{3481}$
obtinem:

a)

$29$

b)

$39$

c)

$49$

d)

$59$

7.

Folosind algoritmul de extragere a
radacinii patrate pentru: $\sqrt{5.3361}$
obtinem:

a)

$2,31$

b)

$2,41$

c)

$2,61$

d)

$2,71$

8.

$\ Calculand\sqrt{\left(1+2+3+...+50\right)-25\cdot2}$
$obtinem:$

a)

$15$

b)

$25$

c)

$35$

d)

$45$

9.

$x\ din\ proportia\$

\frac{\sqrt{400-64\cdot\sqrt{16}}}{x}=\frac{2\cdot\sqrt{81+7\cdot3^2}}{2\ \frac{1}{4}\cdot\sqrt{1,\left(7\right)}}

este\ egal\ cu\ :

a)

$\frac{3}{2}$

b)

$\frac{2}{3}$

c)

$\frac{5}{2}$

d)

$\frac{2}{5}$

Rdacina patrata a unui numar rational patrat perfect

Total questions: 9

Worksheet time: 32mins

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