Solve Equations Using Ln

Solve the equation.

First, set what taking the log of equal to each other.

Then, solve for x.

• 6

• 7

• 11

• 12

Answer explanation

Solve the equation.

First, condense using product and power properties.

Then, set what taking the log of equal to each other.

Then, solve for n.

• 13

• 8

• 12

• 21

Answer explanation

Solve the equation.

First, condense using quotient property.

Then, convert to exponential form.

Then, solve for k.

• 105.8

• 98.4

• 103.5

• 110.7

Answer explanation

Solve the equation.

This one does not need to be condensed..

First, convert to exponential form.

Then, solve for w.

• 34.9

• 45.8

• 33.6

• 38.5

Answer explanation

Tags

CCSS.HSF.BF.B.5

Solve the equation.

First, convert to logarithmic form.

Use calculator to calculate natural log of number.

Then, solve for x.

• 4.52

• 1.28

• 6.51

• 3.04

Answer explanation

Tags

CCSS.HSF.BF.B.5

Solve the equation.

First, move -27 to right side so e by itself.

Then, convert to logarithmic form.

Use calculator to calculate natural log of number.

Then, solve for x.

• 1.8

• 5.4

• 6.2

• 3.7

Answer explanation

Solve the equation.

First, move +1 and 4 to right side so e by itself.

Then, convert to logarithmic form.

Use calculator to calculate natural log of number.

Then, solve for k.

• 1.01

• 2.81

• 1.51

• 2.61

Answer explanation