

BAB 4.3 LOGARITMA T4 KSSM ADD MATH
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•
Mathematics
•
9th - 10th Grade
•
Medium
estha chin
Used 15+ times
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7 Slides • 9 Questions
1
BAB 4.3 LOGARITMA T4 KSSM ADD MATH

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
log84 = 4096
log84096 = 4
log4 4096 = 8
4
Multiple Choice
2. tukarkan yg berikut kpd bentuk logaritma.
b^a = x
logb a = x
logx b = a
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
94 = 6561
65614 = 9
49 = 6561
7
Multiple Choice
4. tukarkan yg berikut kpd bentuk indeks.
logx 32= y
yx = 32
y32 = x
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
3.8488
0.2598
2.692
10
Multiple Choice
6. cari nilai yg berikut:
log8 90
0.462
2.164
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.
logx x = 1
xx = 1
x1 = 1
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
x= 72
x= 27
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)
10^ (2.01)
10^ (-2.01)
9.7724 x 10-3
0.0097724
BAB 4.3 LOGARITMA T4 KSSM ADD MATH

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