Unit 1: Number and Algebra
Topic 1.5: Introduction to Logarithms Questions
Practice 15 exam-style questions for IB Math AA SL Topic 1.5. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Find2 marks
2025
A model is given by N(t) = 300 × 0.92t. It can be written in the form N(t) = 300ekt.
Find the exact value of k.
Find the exact value of k.
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Which of these is written in logarithmic form?
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Find the value of without a calculator.
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Unlock Question7Find2 marks
2025
A model is given by V(t) = 750 × 1.3t. It can be written in the form V(t) = 750ekt.
Find the exact value of k.
Find the exact value of k.
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Unlock Question8Find2 marks
2025
A model is given by A(t) = 20 × 2t/3. It can be written in the form A(t) = 20ekt.
Find the exact value of k.
Find the exact value of k.
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Unlock Question9Write down3 marks
2026
Write each of the following in logarithmic form:
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2026
A logarithm and an exponent are two ways of writing the same relationship.
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2026
Calculate the value of each logarithm, without a calculator:
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A student needs the value of . Which working leads to the right answer?
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Without using a calculator, evaluate .
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