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BAB 4.3 LOGARITMA T4 KSSM ADD MATH

BAB 4.3 LOGARITMA T4 KSSM ADD MATH

Assessment

Presentation

Mathematics

9th - 10th Grade

Medium

Created by

estha chin

Used 15+ times

FREE Resource

7 Slides • 9 Questions

1

BAB 4.3 LOGARITMA T4 KSSM ADD MATH

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2

contoh 1

  • 64= 1296, log6 1296=4 (indeksnya)

  • 74=2401, log7 2401= 4 (indeksnya)

3

Multiple Choice

1. tukarkan yg berikut kpd bentuk logaritma.

8^4 = 4096

1

log84 = 4096

2

log84096 = 4

3

log4 4096 = 8

4

Multiple Choice

2. tukarkan yg berikut kpd bentuk logaritma.

b^a = x

1

logb a = x

2

logx b = a

3

logb x = a

5

contoh 2

tukarkan yg berikut kpd bentuk indeks

log3 243 = 5

jawapan:

35 = 243

6

Multiple Choice

3. tukarkan yg berikut kpd bentuk indeks.

log9 6561= 4

1

94 = 6561

2

65614 = 9

3

49 = 6561

7

Multiple Choice

4. tukarkan yg berikut kpd bentuk indeks.

logx 32= y

1

yx = 32

2

y32 = x

3

xy = 32

8

contoh 3

cari nilai yg berikut

log3 50 = log10 50 / log10 3 = 3.5609

9

Multiple Choice

5. cari nilai yg berikut:

log5 490

1

3.8488

2

0.2598

3

2.692

10

Multiple Choice

6. cari nilai yg berikut:

log8 90

1

0.462

2

2.164

3

1.954

11

contoh 4

log12 12 = 1, log12 1 = 0

121 = 12

201 = 20



2000 =1

a0 = 1

12

Multiple Select

7. Carikan jawapan yg betul. *Jawapan anda mungkin melebihi satu.

1

logx x = 1

2

xx = 1

3

x1 = 1

4

x1= x

13

contoh 5

selesaikan persamaan berikut

log5 x = 4

langkah penyelesaian: tukarkan kpd bentuk indeks

x = 54 = 625

14

Multiple Choice

11. selesaikan persamaan berikut.

log7 x = 2

1

x= 72

2

x= 27

3

x= 72

15

contoh 6

antilog (-3.01) = 10^ (-3.01) =9.7724 x 10-4

= 0.00097724


16

Multiple Select

12. Carikan nilai bagi setiap yg berikut: (jawapan mungkin melebihi satu)

antilog (-2.01)

1

10^ (2.01)

2

10^ (-2.01)

3

9.7724 x 10-3

4

0.0097724

BAB 4.3 LOGARITMA T4 KSSM ADD MATH

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