Practice Common Logarithms (4.1) - Introduction to Logarithms - IB 10 Mathematics

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Convert 10^2 = 100 to logarithmic form.
Show hintHide hint
Think about what the exponent tells us.
Question 2.
Convert log₁₀(25) = 2 to exponential form.
Show hintHide hint
Use the definition of logarithms.
3Question 3.
What is log₁₀(1000)?
- 1
- 2
- 3
Show hintHide hint
Think about how many times you need to multiply 10 to get 1000.
4Question 4.
If log₁₀(x) = 1, what is x?
Show hintHide hint
This is directly from the definition of logarithms.
Question 5.
Solve for x in log₁₀(2x) - log₁₀(5) = 1.
Show hintHide hint
Apply properties of logarithms effectively.
Question 6.
Evaluate log₁₀(3) + log₁₀(9).
Show hintHide hint
Use the Product Rule carefully.

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