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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the sum of the first 5 terms of the sequence 3, 6, 9, 12.
π‘ Hint: Use the sum formula with n = 5.
Question 2
Easy
What is the common difference in the sequence 10, 12, 14, 16?
π‘ Hint: Subtract 10 from 12.
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 does S_n represent?
- Sum of the first n terms
- Series of n numbers
- Difference of n terms
π‘ Hint: Think about what you calculate when you add terms.
Question 2
True or False: The formula for S_n can vary based on the information you have.
- True
- False
π‘ Hint: Consider the different forms of the sum formulas.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You invest $100 monthly, increasing by $50 each month. Calculate the total after 12 months using the sum formula.
π‘ Hint: Identify a, d, and use the sum formula.
Question 2
If the first three terms of an arithmetic sequence are 2, 5, and 8, find the sum of the first 20 terms.
π‘ Hint: Use the formula for S_n involving a and d.
Challenge and get performance evaluation