Solving Logarithmic Equations using Technology

Question 1

–2.8760–0.34770.71241.3738

Revolt · Accepted Answer

–0.3477

Question 2

2.3219–0.4307–2.32190.4307

Revolt · Accepted Answer

–2.3219

Question 3

The expression is the result of applying the change of base formula to a logarithmic expression. Which could be the original expression?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-10-05-20-02-task/mc001-4.jpg

Question 4

Use the change of base formula to approximate the solution to log0.515 = 1 – 2x. Round to the nearest hundredth.

Revolt · Accepted Answer

2.45

Question 5

Which graph shows the solution to the equation log2(3x – 1) = 2?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-10-05-20-04-task/mc001-2.jpg

Question 6

Graph a system of equations to approximate the value of x, the rate of depreciation. Give your answer as a percent.

Revolt · Accepted Answer

about 13%

Question 7

What are the approximate solutions of the equation? Check all that apply.

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-10-05-20-06-task/mr001-1.jpg; Answer image: //media.edgenuity.com/EVresources/3111-10-05-20-06-task/mr001-4.jpg

Question 8

Question 8

Revolt · Accepted Answer

-2.1; 0.2

Question 9

⇒ -2.1

Revolt · Accepted Answer

-2.1; 0.2

Question 10

Solve log2x = log53 + 1 by graphing. Round to the nearest tenth.

Revolt · Accepted Answer

3.2

Solving Logarithmic Equations using Technology Answers

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