Practice - Summary
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Practice Questions
Test your understanding with targeted questions
Find the sum of the first 15 terms of the series: 5 + 10 + 15 + ...
💡 Hint: Use the formula for the arithmetic series.
Identify whether the sequence 3, 6, 12, 24 is arithmetic or geometric.
💡 Hint: Look at the pattern between the numbers.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for the sum of the first n terms of an arithmetic series?
💡 Hint: Think about how you can calculate totals of evenly spaced numbers.
Is the common ratio in a geometric series allowed to be 1?
💡 Hint: Consider what happens if you keep multiplying by 1.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A company is planning a loyalty program where customers earn bonuses. If a customer earns an initial bonus of $10 and this bonus doubles every month, what is the total bonus after 6 months?
💡 Hint: This is a geometric series.
You have a starting salary of $3,000 that increases by $500 every year. What is your total salary over the next 5 years?
💡 Hint: This involves an arithmetic series.
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Reference links
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