Soal Soal Logaritma
Nama :Muhammad Faqih Akbar
Kelas :X Mipa 3
SOAL SOAL LOGARITMA =
1. ²log 8 =
A.1
B.2
C.3
D.4
Jawaban = C. 3
2. ²⁷log 3 =
A. ⅓
B.3
C.½
D.2
Jawaban = A.⅓
3. ⁶log 6
A.4
B.3
C.2
D.1
Jawaban = D. 1
4.¹⁰ log 1000 =
A. 2
B. 3
C. 4
D. 5
Jawaban = B.3
5. ⁸log 2- ⁶log 216 + ⁸¹ log 3 - ⁵log ³/^(625
A. -¾
B. ¾
C. -3¾
D. 3¾
Jawaban = c.-3¾
Pembahasan = ⁸log 8⅓ - ⁶log 6³ + ⁸¹ log 81¼- ⁵log 5⁴/³ = ⅓-3+¼-4/3 =-3¾
6. ³log x =2, tentukan nilai x..
A. 3
B. 9
C. 6
D. 2
Jawaban = B. 9
Pembahasan, 3² =9
7. ²log 24 + ²log6 + ²log 1/9 =
A. 4
B. 8
C. 10
D. 12
Jawaban= A. 4
Pembahasan= ²log (24 × 6 ÷ 1/9)
= ²log 16 = 2⁴ = 4
8. ⁶ log 4/(2 + ⁶log/(3 + ⁶log 54
A. 2,0
B. 2,5
C. 3,0
D. 3,5
Jawaban = D. 3,5
Pembahasan = ⁶log (4/(2 × /(3 × 54 = 216 /(6
⁶log 216 /(6 = 3½
9. Jika log 2 = 0,3010, maka log 80 ?
A. 12.04
B. 12
C. 13
D. 12,3
Jawaban = A
Pembahasan = log 2×2 ... 80
2x40 =80, log 2 =0,3010.... 0,3010×40 = 12.04
10. Jika ²log5 = a dan ²log7 = b, maka ²log 35...
A. A+ B
B. B-A
C. A
D. Ab
Jawaban = D. AB
Pembahasan karena 35 adalah 5×7 yg artinya axb = ab
