Practice Convert To Exponential Form (7.2) - Introduction to Logarithms

Practise this section

8 questions

Flashcard drill
2 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
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Convert $\log_5(25) = 2$ to exponential form.
Show hintHide hint
Recall how to express logarithms in terms of their base.
Question 2.
Change $\log_2(8) = 3$ into exponential form.
Show hintHide hint
What power of 2 gives you 8?
3Question 3.
What is the exponential form of $\log_5(25) = 2$ ?
- \$ 5^2 = 25 \$
- \$ 5^3 = 125 \$
- \$ 2^5 = 25 \$
Show hintHide hint
Think about how to express log in terms of exponent.
4Question 4.
Is $\log_a(b) = c$ equivalent to $a^c = b$ ?
- True
- False
Show hintHide hint
Recall the basic logarithmic identity.
Question 5.
Convert $\log_{7}(343) = 3$ to exponential form and verify.
Show hintHide hint
What number multiplied by itself three times equals 343?
Question 6.
If $\log_{x}(81) = 4$ , express it in exponential form and find the value of x.
Show hintHide hint
What power of 3 gives you 81?

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