Free Printable Ecuații clasa a VII-a

1.

$x+\sqrt{2}=\sqrt{8}$

a)

$\sqrt{2}$

b)

- $\sqrt{2}$

c)

$2\sqrt{2}$

d)

- $2\sqrt{2}$

2.

$\frac{x}{\sqrt{3}}+\sqrt{12}=\sqrt{27}$

a)

2

b)

-2

c)

3

d)

-3

3.

$\sqrt{24}\cdot x=1$

a)

$\frac{\sqrt{6}}{12}$

b)

$\sqrt{6}$

c)

- $\sqrt{6}$

d)

$\frac{1}{12}$

4.

3x+7=x+21

a)

14

b)

-14

c)

7

d)

-7

5.

Ecuațiile echivalente sunt:

(a)

6.

x\sqrt{5}-\sqrt{20}=\sqrt{125}

a)

7

b)

-7

c)

5

d)

-5

7.

$\frac{6-x}{x+2}=\frac{x}{6-x}$

a)

$\frac{18}{7}$

b)

$-\frac{18}{7}$

c)

$\frac{7}{18}$

d)

$-\frac{7}{18}$

8.

$\frac{x}{\sqrt{2}}=-\sqrt{2}$

a)

2

b)

-2

c)

4

d)

-4

9.

$-x+3\sqrt{3}=\sqrt{3}+x$

a)

$\sqrt{3}$

b)

$-\sqrt{3}$

c)

2

d)

-2

10.

$\frac{x+1}{x}=1\frac{1}{2}$

a)

3

b)

2

c)

$\frac{1}{2}$

d)

-2

Ecuații clasa a VII-a

Total questions: 10

Worksheet time: 10mins

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