WorksheetsΛογάριθμοι
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
log28 =
a)
1
b)
2
c)
3
d)
-3
2.
log464 =
a)
2
b)
3
c)
4
d)
-4
3.
log2 21=
a)
1
b)
2
c)
-1
d)
-2
4.
log3 271=
a)
-3
b)
3
c)
2
d)
-2
5.
log55=
a)
2
b)
5
c)
21
d)
−21
6.
lne2 =
a)
1
b)
-1
c)
2
d)
-2
7.
Aν loga3 = x τοˊτε:
a)
x3 = α
b)
3x = α
c)
α3= x
d)
αx = 3
8.
Αν log5x = α τοˊτε:
a)
5α = x
b)
xα = 5
c)
5x = α
d)
x5 = α
9.
Αν logx = 1 −log5 τοˊτε x =
a)
x = 2
b)
x = 5
c)
x = 10
d)
x = 100
10.
Aν lnx = 1 + ln2 τότε χ =
a)
x = e
b)
x = e2
c)
x = 2e
d)
x = 2e
100 %
