Year 11
Core
Find the nth term of a quadratic sequence
Year 11
Core
Find the nth term of a quadratic sequence
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Lesson details
Key learning points
- In this lesson, we will find the nth term of a quadratic sequence by using a table of values and finding the second difference between terms.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
What type of numbers are 1, 8, 27, 64 and 125?
A
B
C
Q2.
2. What are the first 5 terms of the sequence with nth term 2n² + 1?
A
B
C
Q3.
What are the first 5 terms of the sequence with nth term n³ - 2?
A
B
C
3 Questions
Q1.
What is the nth term of the sequence 2, 11, 26, 47, 74, …?
A
B
D
Q2.
What is the nth term of the sequence 13, 10, 5, -2, -11, …?
A
C
D
Q3.
What is halved to find the n² coefficient?
A
B
D