Himpunan penyelesaian pertidaksamaan 1/2log(x2−8)<0 adalah...

Bab8 : Persamaan,Fungsi dan Pertidaksamaan Logaritma(Kel 10)

Quiz
•
Mathematics
•
1st Grade
•
Hard

Yoshua Silitonga
Used 17+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A. {x/ −2 < x < 2}
B. {x/ −2√2 < x < 2√2}
C. {x/ x < −3 atau x > 3}
D. {x/ x < −2√2 atau x > 2√2}
E. {x/ −3 < x < 2√2 atau 2√2 < x < 2}
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai x yang memenuhi pertidaksamaan 2logx≤log(2x+5)+2log2 adalah...
A. −5/2 < x ≤ 10
B. −2 ≤ x ≤ 10
C. 0 < x ≤ 10
D. −2 < x < 0
E. −5/2 ≤ x < 10
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai x yang memenuhi persamaan 2log2log(2x+1+3)=1+2logx adalah...
A. 2log 3
B. 3log 2
C. log2/3
D. −1 atau 3
E. 8 atau 1/2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Penyelesaian pertidaksamaan log(x−4)+log(x+8)<log(2x+16) adalah...
A. x > 6
B. x > 8
C. 4 < x < 6
D. −8 < x < 6
E. 6 < x < 8
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai x yang memenuhi pertidaksamaan 3log(5−x)+3log(1+x)<3log(6x−10) adalah...
A. x < −5 atau x > 3
B. 1 < x < 5
C. 5/3 < x < 5
D. 3 < x < 5
E. −5 < x < 3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika 2log 3 = a dan 3log 5 = b, maka 15log 20 = ...
A. 2/a
B. 2+ab/a(1+b)
C. a/2
D. b+1/2ab+1
E. a(1+b)/2+ab
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui 2log 7 = a dan 2log 3 = b, maka nilai dari 6log 14 adalah...
A. a/a+b
B. a+1/a+b
C. a+1/b+1
D. a/a(1+b)
E. a+1/a(1+b)
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