Quiz about Sumatif Matematika Kelas 8

Question 1

Hasil dari
$$9^2$$ x $$3^{-2}$$ adalah

Accepted Answer

9

Answer

3

Answer

6

Answer

8

Question 2

Bentuk baku dari 0, 000000142 adalah...

Accepted Answer

$$1,42x10^{-7}$$

Answer

$$14,2x10^{-7}$$

Answer

$$142x10^{-7}$$

Answer

$$1,42x10^7$$

Question 3

Bentuk baku dari 752.000 adalah...

Accepted Answer

$$7,52x10^5$$

Answer

$$75,2x10^5$$

Answer

$$75,2x10^{-7}$$

Answer

$$7,52x10^{-7}$$

Question 4

Bentuk sederhana dari 2 $$\sqrt[]{2}$$ + $$\sqrt[]{18}$$ adalah

Accepted Answer

$$5\sqrt[]{2}$$

Answer

$$4\sqrt[]{2}$$

Answer

$$6\sqrt[]{2}$$

Answer

$$3\sqrt[]{2}$$

Question 5

Hasil dari $$\sqrt[]{5}$$ x $$\sqrt[]{20}$$ =

Accepted Answer

10

Answer

5

Answer

$$\sqrt[]{75}$$

Answer

$$\sqrt[]{50}$$

Question 6

Bentuk sederhana dari $$\sqrt[]{8}$$ X $$\sqrt[]{50}$$ adalah..

Accepted Answer

$$20$$

Answer

5

Answer

10

Answer

$$\sqrt[]{10}$$

Question 7

Bentuk sederhana dari $$\sqrt[]{5}$$ X $$\sqrt[]{9}$$ adalah...

Accepted Answer

$$3\sqrt[]{5}$$

Answer

$$2\sqrt[]{5}$$

Answer

$$3\sqrt[]{3}$$

Answer

$$5\sqrt[]{5}$$

Question 8

Bentuk rasional dari bilangan $$\frac{1}{\sqrt[]{3}}$$ adalah....

Accepted Answer

$$\frac{\sqrt[]{3}}{3}$$

Answer

$$\frac{2}{\sqrt[]{3}}$$

Answer

$$\frac{1}{\sqrt[]{3}}$$

Answer

$$\frac{2}{3}$$

Question 9

bentuk sederhana dari 2 $$\sqrt[]{3}$$ + $$\sqrt[]{3}$$ adalah...

Accepted Answer

$$3\sqrt[]{3}$$

Answer

5

Answer

4

Answer

$$2\sqrt[]{3}$$

Question 10

Bentuk sederhana dari 2 $$\sqrt[]{2}$$ + 3 $$\sqrt[]{3}$$ + $$\sqrt[]{2}$$ + 2 $$\sqrt[]{3}$$ adalah...

Accepted Answer

$$3\sqrt[]{2}+5\sqrt[]{3}$$

Answer

$$2\sqrt[]{2}+5\sqrt[]{3}$$

Answer

$$4\sqrt[]{2}+5\sqrt[]{3}$$

Answer

$$3\sqrt[]{2}+4\sqrt[]{3}$$

Question 11

Bentuk sederhana dari $$\frac{m^4.\ m^{-2}}{m^{-2}}$$ adalah...

Accepted Answer

$$m^4$$

Answer

$$m^{-5}$$

Answer

$$m^5$$

Answer

$$m^{-4}$$

Question 12

Bentuk sederhana dari $$\frac{\left(x^3Y^2\right)^2}{X^2Y^2}$$ adalah....

Accepted Answer

$$X^4Y^2$$

Answer

$$X^3Y^2$$

Answer

$$X^5Y^2$$

Answer

$$X^3Y^3$$

Question 13

Semua jawaban mengenai theorema phitagoras dari segitiga siku-siku ddisamping benar, KECUALI...

Accepted Answer

$$a^2\ =\ c^2\ +b^2$$

Answer

$$a^2\ +b^2\ =\ c^2$$

Answer

$$a^2=\ c^{2\ }-b^2$$

Answer

$$b^2=\ c^{2\ }-a^2$$

Question 14

Dari segitiga siku-siku tersebut, berapakah panjang CB ?

Accepted Answer

9

Answer

7

Answer

10

Answer

8

Question 15

Dari pernyataan berikut yang BUKAN kalimat tertutup adalah...

Accepted Answer

2 y = 4

Answer

2 + 12 = 10

Answer

12 : 3 = 4

Answer

7 x 4 = 28

Question 16

Dari jawaban berikut yang merupakan persamaan linier satu variabel adalah ...

Accepted Answer

2X - 4X = 8

Answer

2X + 3Y + 3Z = 0

Answer

3X = 5Y

Answer

3X + 4Y =2

Question 17

Tentukan nilai X dari 3x -3 = 2X +2

Accepted Answer

5

Answer

4

Answer

1

Answer

2

Question 18

Tentukan nilai X dari 2X + 7 = 4X -1

Accepted Answer

4

Answer

2

Answer

-2

Answer

-4

Question 19

Tentukan himpunan penyelesaian pertidaksamaan 8X -3 $$<$$ 6X + 5, untuk x bilangan asli~

Accepted Answer

{ 1, 2, 3 }

Answer

{ 1, 2, 3, 4}

Answer

{ 5, 6. 7)

Answer

{ 1, 2, 3, 4, 5, 6, 7}

Question 20

Himpunan penyelesaian dari 7X +2 $$\ge$$ 9X -4 untuk x bilangan asli adalahadalah...

Accepted Answer

{1, 2, 3}

Answer

{ 1, 2}

Answer

{ 4, 5 }

Answer

{ 3, 4, 5 }

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