Natural Logs

Rewrite e^x = 9 using a logarithm

• ln x = 9

• log_x e = 9

• ln 9 = x

• log₉ x = e

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CCSS.HSF.BF.B.5

Rewrite in exponential form:
ln(2) = x

• 2^x = 10

• 10² = x

• e^x = 2

• e² = x

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CCSS.HSF.BF.B.5

The natural logarithm has what base?

• 10

• 0

• e

• -e

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CCSS.HSF.BF.B.5

What is the base in this log expression: log₇49 = 2

• 7

• 49

• 2

• 7492

Tags

CCSS.HSF.BF.B.5

What is Natural Logs

• The logarithm of a product is equal to a sum of logarithms.

• A number is its logarithm to the base of the mathematical constant e.

• The logarithm of a quotient is equal to a difference of logarithms.

• Constant change in the independent variable give the same proportional change.