Practice Formula - 1.2.2.1 | 11.Exponential Growth and Decay | IB Class 10 Mathematics – Group 5, Algebra
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Practice Questions

Test your understanding with targeted questions related to the topic.

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.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

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.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation