Kuiz perpangkatan dan bentuk akar

Kuiz perpangkatan dan bentuk akar

9th Grade

10 Qs

quiz-placeholder

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Kuiz perpangkatan dan bentuk akar

Kuiz perpangkatan dan bentuk akar

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Rezki Adelima

Used 49+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hasil dari 43 : 45 adalah...

Answer explanation

Gunakan sifat am : an = am-n

43 : 45 = 43-5 = 4-2

Gunakakan sifat a-n = 1/an

maka : 4-2 = 1/42

= 1/4x4

= 1/16

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

b3/7 dinyatakan dalam bentuk akar menjadi...

Answer explanation

Kerjakan dengan sifat am/n

am/n = nakar am

maka b3/7 = 7akar b3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

-2

-6

2

6

Answer explanation

3-x+2 = 1/81

3-x+2 = 1/34

3-x+2 = 3-4

-x + 2 = -4

-x = -6

x = 6

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Answer explanation

ab =....

(2 akar 3 + akar 5) (3 akar 5 - akar 3)

= 6 akar 15 -2 . 3 + 3.5-akar15

= 6 akar 15 - 6 + 15 - akar 15

= 5 akar 15 + 9

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Answer explanation

ab =....

(2 akar 3 + akar 5) (3 akar 5 - akar 3)

= 6 akar 15 -2 . 3 + 3.5-akar15

= 6 akar 15 - 6 + 15 - akar 15

= 5 akar 15 + 9

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Answer explanation

Media Image

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Answer explanation

Media Image

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