
Kiến thức về lôgarit lớp 11

Quiz
•
Others
•
11th Grade
•
Easy
Vinh Nguyễn
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình lôgarit: log2(x) = 3. Tìm x.
16
4
2
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị: log5(25).
3
2
1
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sử dụng định nghĩa lôgarit để chứng minh: loga(b) = c <=> a^c = b.
loga(b) = c <=> a^c = b.
a^c = b <=> loga(b) = a.
loga(b) = c <=> b^c = a.
loga(b) = c <=> a^b = c.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chuyển đổi: log3(9) thành số mũ.
3
1
2
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Áp dụng tính chất lôgarit: loga(mn) = ?
loga(m/n)
logb(mn)
loga(m-n)
loga(m) + loga(n)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình: log(x+1) - log(x-1) = 1. Tìm x.
5
11/9
3
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị: log10(1000).
2
5
3
4
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