Free Printable Kvadriranje i korjenovanje

1.

$1.35-\frac{25}{100}=$

a)

1.1

b)

1.01

c)

$\frac{10}{100}$

d)

0.1

2.

-42:7=

a)

6

b)

-6

c)

7

d)

-7

3.

$2\ \frac{4}{12}-\frac{1}{6}=$

a)

$\frac{13}{6}$

b)

$\frac{14}{3}$

c)

$\frac{2}{3}$

d)

$-\frac{9}{4}$

4.

$\frac{15}{7}:\frac{15}{28}=$

a)

$\frac{1}{4}$

b)

4

c)

1

d)

-4

5.

$\left(-\frac{5}{4}\right)^2=$

a)

$-\frac{9}{16}$

b)

$\frac{25}{16}$

c)

$\frac{9}{4}$

d)

$\frac{3}{16}$

6.

$-\frac{\left(-3\right)^2}{5}=$

a)

$\frac{9}{5}$

b)

$\frac{9}{25}$

c)

$-\frac{9}{5}$

d)

$-\frac{9}{25}$

7.

$\left(-5\right)^2\cdot\left(\frac{1}{5}\right)^2=$

a)

$-\frac{1}{6}$

b)

$\frac{1}{6}$

c)

-1

d)

1

8.

$\left(\frac{8}{27}\right)^2\cdot\left(-\frac{3}{4}\right)^2=$

a)

$\frac{2}{9}$

b)

$-\frac{2}{9}$

c)

$\frac{4}{81}$

d)

$-\frac{4}{81}$

9.

$\left(5x\right)^2=$

a)

$5x^2$

b)

$25x$

c)

$25x^2$

d)

$5x$

10.

$\left(2a+1\right)^2=$

a)

$4a^2+1$

b)

$4a+4a+1$

c)

$4a^2+4a+1$

d)

$4a+1$

11.

$\left(\frac{1}{2}-y\right)^2=$

a)

$\frac{1}{2}-y+y^2$

b)

$\frac{1}{4}-y+y^2$

c)

$\frac{1}{4}-y^2$

d)

$\frac{1}{4}+y+y^2$

12.

$y^2+4y+4=$

a)

$\left(y+1\right)^2$

b)

$\left(2y+1\right)^2$

c)

$\left(y-2\right)^2$

d)

$\left(y+2\right)^2$

13.

Napiši u obliku razlike kvadrata:
$\left(9-x\right)\left(9+x\right)=$

a)

$9-x^2$

b)

$9-x$

c)

$81-x^2$

d)

$81+x^2$

14.

Napiši u obliku umnoška:
$1-4x^2=$

a)

$\left(1-4x\right)\left(1+4x\right)$

b)

$\left(1-2x\right)\left(1+2x\right)$

c)

$\left(1-2x^2\right)\left(1+2x^2\right)$

d)

$\left(1-2x\right)\left(1-2x\right)$

15.

$2\cdot10^3-10^3=$

a)

$10^3$

b)

$3\cdot10^3$

c)

$2\cdot10^3$

d)

0

16.

$3\cdot10^3+15\cdot10^3=$

a)

$16\cdot10^3$

b)

$18\cdot10^3$

c)

$15\cdot10^3$

d)

$12\cdot10^3$

17.

$10^5\cdot10^{10}=$

a)

$10^{15}$

b)

$10^5$

c)

1

d)

$10^{50}$

18.

$10^{-3}\cdot10^{-6}=$

a)

$10^{-18}$

b)

$10^{18}$

c)

$10^9$

d)

$10^{-9}$

19.

$\frac{10^{-2}}{10^4}=$

a)

$10^{-6}$

b)

$10^6$

c)

$10^{-8}$

d)

$10^8$

20.

$100\cdot\left(\frac{1}{10}\right)^5=$

a)

$10^7$

b)

$10^3$

c)

$10^{-3}$

d)

$10^{-5}$

21.

$10^4:\left(\frac{1}{10}\right)^4=$

a)

$10^0$

b)

$10^8$

c)

$1$

d)

$10$

22.

$\left(10^3\right)^{-2}=$

a)

$10^{-5}$

b)

$10^5$

c)

$10^6$

d)

$10^{-6}$

23.

$\sqrt{\frac{49}{81}}=$

a)

nema rješenja

b)

$\frac{49}{9}$

c)

$\frac{7}{9}$

d)

$-\frac{7}{9}$

24.

$\sqrt{0.09}=$

a)

$0.03$

b)

0.3

c)

0.9

d)

0.81

25.

$10-\sqrt{25}=$

a)

10

b)

-5

c)

5

d)

-15

26.

$\sqrt{900}=$

a)

$300$

b)

90

c)

-30

d)

30

27.

$\sqrt{\frac{7}{20}}\cdot\sqrt{\frac{5}{7}}=$

a)

$\frac{1}{4}$

b)

$\frac{5}{20}$

c)

$\frac{35}{140}$

d)

$\frac{1}{2}$

28.

$\sqrt{\left(-4\right)^2}$

a)

-4

b)

4

c)

16

d)

2

29.

Djelomično korjenuj:
$\sqrt{24}=$

a)

$2\sqrt{6}$

b)

$6\sqrt{2}$

c)

$4\sqrt{6}$

d)

$6\sqrt{4}$

30.

Racionaliziraj:
$\frac{7}{\sqrt{14}}=$

a)

$\frac{\sqrt{14}}{14}$

b)

$7\sqrt{14}$

c)

$\frac{\sqrt{14}}{2}$

d)

$\frac{\sqrt{14}}{7}$

Kvadriranje i korjenovanje

Total questions: 30

Worksheet time: 36mins

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