Practice Without Calculator (5.1) - Introduction to Logarithms - IB 10 Mathematics

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9 questions

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6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Convert $9 = 3^2$ into logarithmic form.
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Identify the exponent in the base 3 that leads to 9.
Question 2.
Find $\log_16$ using the fact that $4^2 = 16$ .
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What power do you raise 4 to in order to get 16?
3Question 3.
What is $\log_2(8)$ ?
- 1
- 2
- 3
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Think about what power of 2 gives you 8.
4Question 4.
True or False: $\log_5(25) = 2$ .
- True
- False
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Remember the definition of logarithms!
Question 5.
Find the value of $x$ if $\log_{x}(81) = 4$ .
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Convert the logarithmic equation into exponential form.
Question 6.
Evaluate $\log_{2}(8) + \log_{2}(4) - \log_{2}(2)$ .
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Use the properties of logarithms to combine them.

5 more questions in this section. Enroll free to practise them all.