Free Printable Unit 7: Topic 4- Logarithmic Equations

Worksheets

Unit 7: Topic 4- Logarithmic Equations

Total questions: 10

Worksheet time: 30mins

Name

Class

Date

Write in exponential form.
log₂32 = 5

2^-5 = 32

2³² = 5

2⁵ = 32

32⁵ = 2

Convert 6^(x+2)=216 to logarithmic form

log₂₁₆(x+2)=6

log₆(x+2)=216

log₆(216)=x+2

log_(x+2)(216)=6

Solve for x:
log₄ x = 3

log₅(4x-7)=log₅(x+5)

log₉(x)+log₉(x+2)=log₉(35)

-7

5, -7

-7, -13

log₆-4x-log₆5=log₆70

149

-16/3

-175/2

-47/5

log7+log(x²-4)=log35

1, -1

2, -2

3, -3

4, -4

log₂(x + 2) + log₂x = 3

-4, 2

-2, 4

x = 5 and x = -2

x = -2

x = 5

x = -10 and x = 10

10.

x = 21

x= 49/3

x = 49

x = 147

100 %

Unit 7: Topic 4- Logarithmic Equations

Total questions: 10

Worksheet time: 30mins

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