1
Q
What is the definition of a logarithm of base a?
A
2
Q
A
3
Q
A
4
Q
Write 2^3=8 in log form
A
5
Q
Write 2^-3 = 1/32 in log form
A
6
Q
What’s the value of log2 128?
A
7
Q
What are the three rules of logs?
A
Counterparts to the rules of powers
8
Q
If 2loga 3 + 3loga 5 = loga k find the value of k
A
Loga 3^2 + loga 5^3 = loga k
k = (3^2*5^3) = 1125
9
Q
If 1/2loga 36 - loga 2 = loga k find the value of k
A
Loga 36^1/2 - loga 2 = loga k
k =6/2 = 3
10
Q
Given that loga y = 2loga 3 + loga 7 +3 express y in terms of a giving your answer in a form not involving logs
A
11
Q
A
12
Q
A
13
Q
A
c) log2 8 = 4
2^4 = 8x
16=8x
x =2
14
Q
A
15
Q
Solve to 3 sig figs:
A
16
Q
A
17
Q
A
18
Q
A
19
Q
A
20
Q
A
21
Q
A
22
Q
A
A Level Maths
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