Quiz about penilaian tengah semester (PTS) Ganjil matematika 2024/2025

Question 1

Arti dari bilangan berpangkat $$7^{-5}$$

Accepted Answer

$$\frac{1}{7 imes7 imes7 imes7 imes7}$$

Answer

$$7 imes7 imes7 imes7 imes7$$

Answer

$$\left(-7 ight) imes\left(-7 ight) imes\left(-7 ight) imes\left(-7 ight) imes\left(-7 ight)$$

Answer

$$\frac{1}{\left(-7 ight) imes\left(-7 ight) imes\left(-7 ight) imes\left(-7 ight) imes\left(-7 ight)}$$

Question 2

Bentuk bilangan berpangkat dari $$\left(-5 ight) imes\left(-5 ight) imes\left(-5 ight) imes\left(-5 ight)$$ adalah...

Accepted Answer

$$\left(-5\right)^4$$

Answer

$$-\left(5\right)^4$$

Answer

$$5^{-4}$$

Answer

$$5^4$$

Question 3

Nilai x dari $$2^x=32$$ adalah ....

Accepted Answer

5

Answer

6

Answer

4

Answer

3

Question 4

Bentuk sederhana dari $$3^4 imes3^6$$ adalah ....

Accepted Answer

$$3^{10}$$

Answer

$$3^{24}$$

Answer

$$3^{46}$$

Answer

$$3^4$$

Question 5

Bentuk sederhana dari $$\frac{27^4}{3^2 imes9^3}$$ adalah ....

Accepted Answer

$$3^4$$

Answer

$$3^6$$

Answer

$$3^8$$

Answer

$$3^{10}$$

Question 6

Nilai dari $$\left(-3\right)^2-\left(-2\right)^3$$ adalah ....

Accepted Answer

$$17$$

Answer

$$16$$

Answer

$$18$$

Answer

$$19$$

Question 7

Jika $$a$$ = $$\left(-2\right)$$ dan b= 3, nilai dari $$a^2-b^2$$ adalah

Accepted Answer

$$-5$$

Answer

$$-7$$

Answer

$$-6$$

Answer

$$=4$$

Question 8

Luas persegi adalah 169 $$cm^2$$ . Panjang sisi persegi tersebut adalah ....

Accepted Answer

13 cm

Answer

10 cm

Answer

11 cm

Answer

12 cm

Question 9

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 10

Hasil dari $$2\sqrt[]{20}+\sqrt[]{45}-\sqrt[]{80}$$ adalah ....

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 11

Bentuk rasional dari $$\frac{36}{\sqrt[]{6}}$$ adalah ....

Accepted Answer

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

Answer

$$5\sqrt[]{6}$$

Answer

$$4\sqrt[]{6}$$

Answer

$$3\sqrt[]{6}$$

Question 12

Hasil dari $$\left(\sqrt[]{12}+\sqrt[]{8}\right)\left(\sqrt[]{12}-\sqrt[]{8}\right)$$ adalah ....

Accepted Answer

4

Answer

6

Answer

8

Answer

10

Question 13

Hasil dari $$\frac{3}{2+\sqrt[]{3}}$$ adalah ...

Accepted Answer

$$6-3\sqrt[]{3}$$

Answer

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

Answer

$$6+3\sqrt[]{3}$$

Answer

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

Question 14

Hasil dari $$\frac{6}{\sqrt[]{5}+\sqrt[]{3}}$$ adalah ....

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 15

Nilai dari $$3^{-3}+9^{-2}$$ adalah ....

Accepted Answer

$$\frac{4}{81}$$

Answer

$$-\frac{5}{27}$$

Answer

$$\frac{2}{81}$$

Answer

$$\frac{4}{9}$$

Question 16

Hasil dari $$\sqrt[]{144}+\sqrt[]{225}$$ adalah ....

Accepted Answer

27

Answer

73

Answer

37

Answer

72

Question 17

Bentuk sederhana dari $$\left(\frac{8}{32} ight)^2 imes\left(\frac{4}{16} ight)^3$$ adalah ....

Accepted Answer

$$2^{-10}$$

Answer

$$2^{12}$$

Answer

$$2^{10}$$

Answer

$$2^{-12}$$

Question 18

Hasil dari $$\sqrt[]{3}\left(2\sqrt[]{2}+\sqrt[]{5}\right)$$ adalah ....

Accepted Answer

$$2\sqrt[]{6}+\sqrt[]{15}$$

Answer

$$3\sqrt[]{2}+\sqrt[]{15}$$

Answer

$$6\sqrt[]{2}+\sqrt[]{15}$$

Answer

$$2\sqrt[]{3}+\sqrt[]{15}$$

Question 19

Bentuk baku dari $$\frac{7}{16}$$ adalah ....

Accepted Answer

$$4,375 imes10^{-1}$$

Answer

$$0,4375 imes10^{-1}$$

Answer

$$4,375 imes10^{-2}$$

Answer

$$43,75 imes10^{-3}$$

Question 20

Bentuk baku dari 890.000.000 adalah ....

Accepted Answer

$$8,9 imes10^8$$

Answer

$$89 imes10^8$$

Answer

$$8,9 imes10^{-8}$$

Answer

$$89 imes10^{-8}$$

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