AnswersGA-Advanced Algebra Concepts and Connections CREvaluating Logarithmic Expressions

Solving Logarithmic Equations using Technology Answers

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1
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What is the approximate value of x in the equation below.

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–3.396
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–0.708
0
0.304
0
0.955
2
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Which expression can be used to approximate the expression below, for all positive numbers a, b, and x, where a 1 and b 1?

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3

Devonte used the change of base formula to approximate . Which expression did Devonte use?

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Log StartFraction 8 Over 25 EndFraction
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B
StartFraction log 8 Over log 25 EndFraction
Option B
C
log StartFraction 25 Over 8 EndFraction
Option C
D
StartFraction log 25 Over log 8 EndFraction
Option D
4

Omar wants to use a graph to solve the equation below.Which system of equations should Omar use?

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5

Consider the equation below.Which system of equations can represent the equation?

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6

Kim solved the equation below by graphing a system of equations.What is the approximate solution to the equation?

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0.6
B
0.9
C
1.4
D
1.6
7

Which system of equations could be graphed to solve the equation below?

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A
y 1 = 3 x, y 2 = 2 x
Option A
B
y 1 = log (2 x + 1), y 2 = 3 x minus 2
Option B
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y 1 = log 2 x + 1, y 2 = 3 x minus 2
Option C
D
y 1 = log (2 x + 1 + 2), y 2 = 3 x
Option D
8

What is the approximate value of x in the equation below?

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–2.523
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–1.317
C
2.880
D
7.485
9

Tyler applied the change of base formula to a logarithmic expression. The resulting expression is shown below. Which expression could be Tyler’s original expression?

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10

Which is equivalent to ?

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