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Exam (elaborations)

Solving Logarithmic Equations using Technology Assignment (1)

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Solving Logarithmic Equations using Technology Assignment (1)

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Solving Logarithmic Equations using Technology
Assignment
Approximate: log 5 4/7 - ANS-( B ) -0.3477

Approximate: log 1/2 5 - ANS-( C ) -2.3219

The expression mc001-1.jpg is the result of applying the change of base formula to a
logarithmic
expression. Which could be the original expression? - ANS-( C ) log 2 1/3

Use the change of base formula to approximate the solution to log0.515 = 1 - 2x. Round to the
nearest hundredth. - ANS-x= 2.45

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

Graph a system of equations to approximate the value of x, the rate of depreciation. Give your
answer as a percent. - ANS-( B ) about 13%

Consider the equation log5(x + 5) = x2.

What are the approximate solutions of the equation? Check all that apply. - ANS-A D

Graph a system of equations to solve log (−5.6x + 1.3) = −1 − x. Round to the nearest tenth.

From the least to the greatest, the solutions are: - ANS--2.1
0.2

Solve log2x = log53 + 1 by graphing. Round to the nearest tenth. - ANS-3.2

Solve log2(x - 1) = log12(x - 1) by graphing.
x = - ANS-2

Elsa tries to solve the following equation, and determines there is no solution. Is she correct?
Explain.
log2x = log2(3x + 5) + 4 - ANS-Elsa tries to solve the following equation, and determines there
is no solution. Is she correct? Explain.
log2x log2(3x 5) 4

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