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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Find the first term (a) of the series: 2, 5, 8, 11.
💡 Hint: It's the very first number in the sequence.
Question 2
Easy
What is the common difference (d) in the series: 1, 4, 7, 10?
💡 Hint: Find the difference between two consecutive terms.
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 formula for the sum of the first n terms of an arithmetic series?
💡 Hint: Think about how many terms and the differences between them.
Question 2
True or False: The sum of an arithmetic series can be calculated if you know the first term and the common difference.
- True
- False
💡 Hint: Remember the formula requires these variables.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An arithmetic sequence has a first term of 9 and a common difference of -2. Determine the sum of the first 20 terms.
💡 Hint: Pay attention to the negative common difference.
Question 2
The nth term of an arithmetic series is 50, and the first term is 10 with a common difference of 5. Find the number of terms n.
💡 Hint: Rearranging the formula will help isolate n.
Challenge and get performance evaluation