Solving Logarithmic Equations using Technology

Question 1

–8.8517–0.11300.11308.8517

Revolt · Accepted Answer

–8.8517

Question 2

Graph the system. Use the graph to approximate the solution of the equationlog95 = 7 – 3x.0.7321.36 1.80✔ 2.09

Revolt · Accepted Answer

✔ 2.09

Question 3

Solve log (x + 1) = –x2 + 10 by graphing.Which equations should be graphed?

Revolt · Accepted Answer

y1 = –x2 + 10; y2 = log (x + 1)

Question 4

–2.8760–0.34770.71241.3738

Revolt · Accepted Answer

–0.3477

Question 5

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 6

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 7

Graph the system. Use the graph to approximate the solution of the equationlog(x + 1) = –x2 + 10.

Revolt · Accepted Answer

3.1

Question 8

Graph the system. Use the graph to approximate the solution of the equation.

Revolt · Accepted Answer

1.25

Question 9

Graph the system. Use the graph to solve the equation.x =

Revolt · Accepted Answer

1

Question 10

2.3219–0.4307–2.32190.4307

Revolt · Accepted Answer

–2.3219

Solving Logarithmic Equations using Technology Answers