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Questions and Answers
What is the value of $log_2(3)$ if $log_2 = 0.3$ and $log_3 = 0.48$?
What is the value of $log_2(3)$ if $log_2 = 0.3$ and $log_3 = 0.48$?
- 0.625 (correct)
- 0.5
- 1.6
- 0.75
The change of base formula states that $log_a(b) = \frac{log_c(b)}{log_c(a)}$ for any base $c$.
The change of base formula states that $log_a(b) = \frac{log_c(b)}{log_c(a)}$ for any base $c$.
True (A)
Evaluate $log_2(17)$ using the values $log_2 = 0.3$ and $log_3 = 0.48$. What is the answer?
Evaluate $log_2(17)$ using the values $log_2 = 0.3$ and $log_3 = 0.48$. What is the answer?
1.23
The property of logarithms that states $log_a(xy) = log_a(x) + log_a(y)$ is known as the ______ property.
The property of logarithms that states $log_a(xy) = log_a(x) + log_a(y)$ is known as the ______ property.
Match the following logarithmic expressions with their properties:
Match the following logarithmic expressions with their properties:
What is the value of $log_5(11)$ using the change of base formula?
What is the value of $log_5(11)$ using the change of base formula?
The equation $log_a(b) imes log_b(a) = 1$ is a valid property of logarithms.
The equation $log_a(b) imes log_b(a) = 1$ is a valid property of logarithms.
Evaluate $log_3(8) × log_2(9)$. Provide the answer in terms of logarithms.
Evaluate $log_3(8) × log_2(9)$. Provide the answer in terms of logarithms.
The natural logarithm is denoted as ___.
The natural logarithm is denoted as ___.
Match the logarithmic expressions with their properties:
Match the logarithmic expressions with their properties:
Which graph represents the function $y = 2^x$?
Which graph represents the function $y = 2^x$?
The logarithmic function $y = log_2(x)$ increases as x increases.
The logarithmic function $y = log_2(x)$ increases as x increases.
To evaluate logarithmic expressions with a calculator, one usually uses the buttons for ___.
To evaluate logarithmic expressions with a calculator, one usually uses the buttons for ___.
Which property of logarithms is used to combine the expression $\log_{9}x + \log_{9}x^{2} + \log_{9}x^{3} + \log_{9}x^{4} = 5$?
Which property of logarithms is used to combine the expression $\log_{9}x + \log_{9}x^{2} + \log_{9}x^{3} + \log_{9}x^{4} = 5$?
The equation $\log_{4}x - \log_{4}7 = \frac{3}{2}$ can be simplified using the Quotient Rule.
The equation $\log_{4}x - \log_{4}7 = \frac{3}{2}$ can be simplified using the Quotient Rule.
What is the value of $x$ if $\log_{9}4 + \log_{3}x = 3$?
What is the value of $x$ if $\log_{9}4 + \log_{3}x = 3$?
The equation $\log_{2}x - \log_{8}x = 4$ can be solved by applying the __________ property of logarithms.
The equation $\log_{2}x - \log_{8}x = 4$ can be solved by applying the __________ property of logarithms.
Match the logarithmic equations with their solutions:
Match the logarithmic equations with their solutions:
Which of the following logarithmic identities is incorrect?
Which of the following logarithmic identities is incorrect?
Using a calculator, the natural logarithm can be directly calculated for any given positive number.
Using a calculator, the natural logarithm can be directly calculated for any given positive number.
How would you express $\log_{5}x + 2\log_{5}x$ using the properties of logarithms?
How would you express $\log_{5}x + 2\log_{5}x$ using the properties of logarithms?
Flashcards
Logarithm equation example 1
Logarithm equation example 1
Log₄x - log₄7 = 3/2
Logarithm equation example 2
Logarithm equation example 2
log₉x + log₉x² + log₉x³ + log₉x⁴ = 5
Logarithm equation example 3
Logarithm equation example 3
log₉4 + log₃x = 3
Logarithm equation example 4
Logarithm equation example 4
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Logarithm equation example 5
Logarithm equation example 5
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log₅64 × 2log₄25
log₅64 × 2log₄25
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log₁₀8 × log₂100
log₁₀8 × log₂100
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log 2 = 0.3, log 3 = 0.48, log 17 = 1.23
log 2 = 0.3, log 3 = 0.48, log 17 = 1.23
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a) log₂3
a) log₂3
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b) log₂17
b) log₂17
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Calculate ln(0.2)
Calculate ln(0.2)
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Calculate ln(0.04)
Calculate ln(0.04)
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Calculate log₅(11)
Calculate log₅(11)
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Plot y=2ˣ and y=log₂x on the same axes
Plot y=2ˣ and y=log₂x on the same axes
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Prove logₐb × log♭a = 1
Prove logₐb × log♭a = 1
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Evaluate log₃8 × log₂9
Evaluate log₃8 × log₂9
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Study Notes
Logarithms - Exercise
-
Converting to exponential form: Write logarithmic statements in the form ax = y.
- Example: logmc = d becomes md = c
- Example: logbp = q becomes bq = p
-
Finding the value of x: Solve equations involving logarithms to find the value of x.
- Example: log28 = x becomes 2x = 8 , so x = 3
- Example: logx16 = 0.5 becomes x0.5 = 16, so x = 162 = 256
-
Evaluating logarithmic expressions: Calculate the values of logarithmic expressions.
- Example: log232 = 5, log636=2, log84 = 1.68
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Expressing in terms of loga, logb, logc: Rewrite expressions in terms of these logarithms.
- Example: log(abc) = loga + logb + logc
- Example: loga2bc = 2loga + logb + logc
-
Expressing as a single logarithm: Combine multiple logarithmic terms into one.
- Example: 2log5 + log4 – log10 = log(52 x 4 / 10)
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Converting to log form: Change exponential expressions to equivalent logarithmic expressions.
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Solving logarithmic equations: Find the value of the variable in equations containing logarithms.
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Use of calculator for logarithms: Techniques to find approximate values of x given equations involving logarithms. -Example Find x, if log x=0.32
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Relationship between logarithms: Show that logb×logħa=1
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Graphical representation: Understand logarithmic relationships visually. Plot graphs of logarithmic and exponential functions.
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Solving simultaneous equations with logarithms: Solving systems of equations involving logarithm expressions.
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Description
Test your understanding of logarithms with this exercise quiz. You will convert logarithmic statements to exponential form, solve equations, evaluate logarithmic expressions, and rewrite them in new terms. Challenge yourself with a variety of problems to strengthen your skills in logarithmic functions.
