Quiz about LATIHAN PTS MATEMATIKA KELAS 8 - 2024/2025

Question 1

Bentuk lain dari $$5^{-3}$$ adalah ...

Accepted Answer

$$\frac{1}{5^3}$$

Answer

$$\frac{1}{5^{-3}}$$

Answer

$$\frac{1}{5}$$

Answer

$$\frac{1}{3^5}$$

Question 2

Bentuk lain dari $$\left(3 imes7 ight)^2$$ adalah ...

Accepted Answer

$$3^2 imes7^2$$

Answer

$$3 imes7^2$$

Answer

$$3^2 imes7$$

Answer

$$\left(3 imes7 ight)+\left(3 imes7 ight)$$

Question 3

Hasil dari $$2^{-3}$$ adalah ...

Accepted Answer

$$\frac{1}{8}$$

Answer

$$6$$

Answer

$$\frac{1}{6}$$

Answer

$$8$$

Question 4

Hasil dari $$2^4 imes2^2$$ adalah ...

Accepted Answer

$$2^6$$

Answer

$$2^2$$

Answer

$$2^8$$

Answer

$$2^4$$

Question 5

Hasil dari 7⁰ = ....

Accepted Answer

1

Answer

0

Answer

7

Answer

70

Question 6

Hasil dari (-3)³ = ...

Accepted Answer

-27

Answer

9

Answer

27

Answer

-9

Question 7

Hasil dari 4³adalah ....

Accepted Answer

64

Answer

12

Answer

16

Answer

36

Question 8

$$\left(6^3\right)^{-1}\ =....$$

Accepted Answer

$$6^{-3}$$

Answer

$$6^2$$

Answer

$$6^{-6}$$

Answer

$$-6^6$$

Question 9

$$\frac{a^5b^3c^3}{a^4b^{ }}=....$$

Accepted Answer

$$ab^2c^3$$

Answer

$$\frac{ac^3}{b^2}$$

Answer

$$ab^2$$

Answer

$$\frac{ab^2}{c^3}$$

Question 10

$$\sqrt[]{45}+5\ \sqrt[]{5}\ =....$$

Accepted Answer

$$8\ \sqrt[]{5}$$

Answer

$$\sqrt[]{5}$$

Answer

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

Answer

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

Question 11

Bentuk rasional dari $$\frac{2}{\sqrt[]{5}}\ =\ ....$$

Accepted Answer

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

Answer

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

Answer

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

Answer

$$\frac{4}{2\ \sqrt[]{5}}$$

Question 12

$$Bentuk\ rasional\ dari\ \frac{2\ }{\sqrt[]{7}-\sqrt[]{5}}\ adalah\ ....$$

Accepted Answer

$$\sqrt[]{7}+\sqrt[]{5}$$

Answer

$$\frac{2\ }{\sqrt[]{7}-\sqrt[]{5}}$$

Answer

$$\frac{\sqrt[]{7}-\sqrt[]{5}\ }{2}$$

Answer

$$\sqrt[]{7}-\sqrt[]{5}$$

Question 13

Bentuk penjabaran dari $$\left(-2^4\right)$$ adalah ....

Accepted Answer

$$-2 imes-2 imes-2 imes-2$$

Answer

$$-2 imes4$$

Answer

$$-4 imes4$$

Answer

$$-2 imes2 imes2 imes2$$

Question 14

Hasil dari $$3^{-3} imes3^2$$ adalah ....

Accepted Answer

$$\frac{1}{9}$$

Answer

$$-27$$

Answer

$$-9$$

Answer

$$\frac{1}{3}$$

Question 15

Hasil dari nilai 3⁵ : 3² adalah..........

Accepted Answer

33

Answer

37

Answer

32

Answer

31

Question 16

Bentuk sederhana pangkat dari $$\frac{8^{12}}{8^7}$$ = ....

Accepted Answer

85

Answer

119

Answer

15

Answer

819

Question 17

Tentukan hasil dari
$$3^7 imes3^6\div3^7=...$$

Accepted Answer

$$3^6$$

Answer

$$3^3$$

Answer

$$3^5$$

Answer

$$3^4$$

Question 18

Hasil dari $$3^{-3} imes3^2$$ adalah ....

Accepted Answer

$$\frac{1}{9}$$

Answer

$$-27$$

Answer

$$-9$$

Answer

$$\frac{1}{3}$$

Question 19

$$\frac{3^4}{3^3}\ =....$$

Accepted Answer

3

Answer

32

Answer

37

Answer

30

Question 20

$$\sqrt[]{27}=...$$

Accepted Answer

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

Answer

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

Answer

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

Answer

$$\sqrt[]{3}$$

Question 21

$$\sqrt[]{200\ }=....$$

Accepted Answer

$$10\sqrt[]{2}$$

Answer

$$10\sqrt[]{10}$$

Answer

20

Answer

$$\sqrt[]{20}$$

Question 22

$$\left(\frac{2}{3}\right)^4$$ = . . . .

Accepted Answer

$$\frac{16}{81}$$

Answer

$$\frac{8}{12}$$

Answer

$$\frac{16}{64}$$

Answer

$$\frac{8}{81}$$

Question 23

Bentuk $$\left(3a^5\right)^2$$ = . . . .

Accepted Answer

$$9a^{10}$$

Answer

$$6a^{10}$$

Answer

$$9a^5$$

Answer

$$6a^5$$

Question 24

Hasil dari 11⁰ + 12⁰ + 13⁰ + 14⁰ + 15⁰ = . . . .

Accepted Answer

5

Answer

0

Answer

1

Answer

15

Question 25

$$4^{10}:4^2:4^3$$

Bentuk sederhana dari bilangan berpangkat tersebut adalah......

Accepted Answer

$$4^5$$

Answer

$$4^2$$

Answer

$$4^7$$

Answer

$$4^{15}$$

Question 26

$$\frac{a^7\ imes\ a^2}{a^3}$$

Accepted Answer

$$a^6$$

Answer

$$a^2$$

Answer

$$a^9$$

Answer

$$a^4$$

Question 27

$$Nilai\ dari\ \ \ \frac{\ 32p^7q^4r^5}{8p^2q^3r^1}\ adalah....$$

Accepted Answer

$$4p^5q\ r^4$$

Answer

$$4p^3qr^2$$

Answer

$$4p^3r\ q^2$$

Answer

$$4p^5q\ r^3$$

Question 28

Bentuk sederhana dari $$\sqrt{180}$$ adalah ....

Accepted Answer

$$6\sqrt{5}$$

Answer

$$3\sqrt{3}$$

Answer

$$3\sqrt{5}$$

Answer

$$6\sqrt{3}$$

Question 29

Hasil dari $$12^7$$ x $$12^{-15}$$ = ...

Accepted Answer

$$12^{-8}$$

Answer

$$12^8$$

Answer

$$12^7$$

Answer

$$12^{-7}$$

Question 30

Hasil dari akar $$5\sqrt[]{2}$$ - $$3\sqrt[]{2}$$ = ...

Accepted Answer

$$\sqrt[]{2}$$

Answer

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

Answer

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

Answer

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

Question 31

Bentuk notasi ilmiah dari $$3,49 imes10^5$$ adalah...

Accepted Answer

$$349.000$$

Answer

$$3.490$$

Answer

$$34.900$$

Answer

$$3.490.000$$

Question 32

Penulisan bentuk baku dari 87.000.000 adalah

Accepted Answer

$$8,7 imes10^7$$

Answer

$$87 imes10^7$$

Answer

$$8,7 imes10^6$$

Answer

$$87 imes10^{-6}$$

Question 33

bentuk desimal dari 7,432 x 10^-2 adalah ...

Accepted Answer

0,07432

Answer

7432,0

Answer

743,2

Answer

0,007432

Question 34

Jarak rata-rata Bumi ke Matahari sebesar 149.000.000 km. Jika ditulis dalam bentuk notasi ilmiah, maka penulisan yang benar adalah ....

(Pilih semua jawaban yang benar dari pernyataan berikut)

Accepted Answer

$$1,49 imes10^8\ km$$

Accepted Answer

$$1,49 imes10^{11}\ m$$

Answer

$$1,49 imes10^6\ km$$

Answer

$$1,49 imes10^9\ m$$

Question 35

Berikut yang merupakan tripel Pythagoras adalah ....

Accepted Answer

6, 8, 10

Answer

4, 6, 8

Answer

4, 8, 10

Answer

6, 8, 12

Question 36

Pada segitiga PQR berikut, panjang sisi PQ adalah ....

Accepted Answer

28

Answer

24

Answer

26

Answer

32

Question 37

Perhatikan tripel bilangan berikut :

(1) 13 cm, 12 cm, 5 cm

(2) 6 cm, 8 cm, 11 cm

(3) 7 cm, 24 cm, 25 cm

(4) 20 cm, 12 cm, 15 cm

Yang dapat dibentuk menjadi segitiga siku-siku adalah ....

Accepted Answer

(1) dan (3)

Answer

(1) dan (2)

Answer

(2) dan (3)

Answer

(2) dan (4)

Question 38

Sebuah tangga yang panjangnya 13 meter disandarkan ke ujung atas tiang listrik. Jika jarak ujung bawah tangga ke tiang listrik 5 meter, maka tinggi tiang listrik adalah ....

Accepted Answer

12 meter

Answer

8 meter

Answer

10 meter

Answer

18 meter

Question 39

Sebuah kapal berangkat dari pelabuhan ke arah utara sejauh 120 km, kemudian berbelok ke arah barat sejauh 160 km. Jarak terdekat kapal dari pelabuhan adalah ....

Accepted Answer

200 km

Answer

225 km

Answer

250 km

Answer

280 km

Question 40

Suatu segitiga mempunyai ukuran sisi-sisinya 8 cm, 15 cm, dan 20 cm. Segitiga tersebut merupakan jenis segitiga ....

Accepted Answer

Tumpul

Answer

Lancip

Answer

siku-siku

Answer

sama kaki

Question 41

Panjang sisi AC pada segitiga berikut adalah ....

Accepted Answer

10 cm

Answer

9 cm

Answer

12 cm

Answer

14 cm

Question 42

Sisi di depan sudut siku-siku dinamakan ...

Accepted Answer

Hipotenusa

Answer

Sisi tegak

Answer

Sisi siku-siku

Answer

Sisi segitiga

Question 43

Berikut beberapa kelompok tiga bilangan.

i. {3, 4, 5}, {6, 9, 10}, {5,12, 13}

ii. {3, 5, 7}, {6, 8, 10}, {5,13, 15}

iii. {6, 9, 10}, {9, 12, 15}, {5,13, 15}

iv. {6, 8, 10}, {5, 12, 13}, {9,12, 15}

Yang merupakan kelompok bilangan triple pythagoras adalah . . . .

Accepted Answer

iv

Answer

i

Answer

ii

Answer

iii

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