Quiz on Logarithms

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• A

• B

• C

• D

What are the transformations of this graph?

• Right 1 Up 5

• Right 1 Down 5

• Left 1 Up 5

• Left 1 Down 5

Which graph matches the function

*remember the transformation has shifted it right 3 and down 3

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• 
• 
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Rewrite e^x = 9 using a logarithm

• ln x = 9

• ln 9 = x

• log_x e = 9

• log₉ x = e

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• log₈x+log₈y+log₈z

• 5log₈x+5log₈y+5log₈z

• log₈xy+5log₈z

• log₈x+log₈y+5log₈z

• The graph is a straight line passing through the origin.

• The graph is a curve that passes through (1,0) and approaches the y-axis asymptotically.

• The graph is a parabola opening upwards.

• The graph is a hyperbola.

Solve the real-world problem using logarithms: If a population of bacteria doubles every 3 hours, how long will it take for the population to grow from 100 to 800?

• 9 hours

• 12 hours

• 6 hours

• 3 hours

• The graph is a straight line passing through the origin.

• The graph is a parabola opening upwards.

• The graph is a hyperbola.

• The graph is a straight line passing through the origin.

• The graph is a parabola opening upwards.

• The graph is a hyperbola.

Which of the following is a property of logarithms?

• Both A and B

• Neither A nor B