Practice Formula (1.2.2.1) - Exponential Growth and Decay - IB 10 Mathematics – Group 5, Algebra
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Practice - Formula - 1.2.2.1

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula for exponential growth?

💡 Hint: Think about how the amount changes over time.

Question 2 Easy

If a tree is 2 meters tall and grows 5% per year, what is its height after one year?

💡 Hint: Multiply the current height by 1 plus the growth rate.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the general form of an exponential function?

y = a + bx
y = a * b^x
y = a(1 + r)^t

💡 Hint: Recall the format of exponential functions.

Question 2

In exponential growth, what happens if b is less than 1?

True
False

💡 Hint: Think about the effect of a base less than 1.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A bacterial colony starts with 200 bacteria and grows at a rate of 25% per hour. How many will be present after 6 hours?

💡 Hint: Remember to adjust the rate to a decimal.

Challenge 2 Hard

You invest $5000 at an interest rate of 8% compounded yearly. What will be the total after 15 years?

💡 Hint: Ensure you convert the interest rate to decimal before application.

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