5.3 - nth Term of an AP
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Practice Questions
Test your understanding with targeted questions
What is the 5th term of the AP: 10, 15, 20?
💡 Hint: Use the formula a_n = a + (n-1)d.
Find the 8th term in the sequence: 3, 6, 9.
💡 Hint: What is the common difference?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the nth term of an AP?
💡 Hint: Think back to the definition of an AP!
True or False: The common difference in an AP can be negative.
💡 Hint: Consider how an AP can decrease.
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Challenge Problems
Push your limits with advanced challenges
If the 5th term of an AP is 30, and the common difference is 2, what is the 15th term?
💡 Hint: Use the nth term formula.
Can you prove that the sum of the first n terms of an AP can be derived using the formula (n/2)(first term + last term)?
💡 Hint: Rearranging S can help to identify patterns.
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