Exponent and Log quiz
log
loga64 = 6, a=
log381=
= 3
log37
log25 + log27 = log2
log764 - 2log74 + log75 = log7
log35
= log5
logx   + log3 16 – log3 4 =
2
1
logb
loga25 -loga3 + loga6x = loga
- logb11 + logb7 = logb35a
log3
 82x  =  64,x = 
2( 32x - 1 + 2 ) - 3 = 55
3( 2x+6 ) = 48
x = 
x =
Solve:ln( 3x - 2 ) + ln( x - 1 ) = 2lnx                                                          x = logx + log2 ( x +4 ) -log2(x - 2) = 4   
  x =                           and          x =
(smaller root)
(bigger root)
Given that log2 (32x / 8y)  can be written as px + qy,
q = 
p =
Find the approximate value of the expression log 16 160 
0.50
1.83
10.00
2.20
A single-celled bacterium divides every hour. The number  of
N bacteria after t hours is given by the formula log2N = t.
 After how many hours will there be 64 bacteria?
hours
t =
Solve:  
4 ( 22t ) - 9 ( 2t ) + 2 = 0
(smaller solution)
t =
(bigger solution)
Solve
x =
9x-1= 3-2x
Solve:

ex+3=1/e2
-5
-1
5
1
102log6x=
12x
36x2
6x
6x2 
Your new car cost $32,000 but it depreciates in value by about 10% each year. 


a)  How much will your car be worth in 1 years?  
b)  in 3 years ?
Solve:
x =
x =
x=
(smaller solution)
x =
x =
(bigger solution)
The solution to 
is 
m = 
n=
x= 
x= 
c
a
b
d
Write the letter :
Write the letter:
(give your answer in terms of k, e.g. 100k)
Write the letter: 
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