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The Nth Term of a Quadratic Sequence

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Question 49

Here are the first 5 terms of a quadratic sequence.

72 51 26 -3 -36

Find an expression, in terms of $n$ , for the $n\,$ th term of this sequence.

Give your answer in the form $an^2+bn+c$ , where $a$ , $b\,$ and $c\,$ are integers.

[4]

Markscheme

The Nth Term of a Quadratic Sequence Questions

GCSE
Maths
The Nth Term of a Quadratic Sequence

201 exam-style questions on Eduqas GCSE Maths The Nth Term of a Quadratic Sequence. Each one has a worked solution and a mark scheme showing where the marks go.

The Nth Term of a Quadratic Sequence

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The Nth Term of a Quadratic Sequence

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Question 49

Here are the first 5 terms of a quadratic sequence.

72 51 26 -3 -36

Find an expression, in terms of $n$ , for the $n\,$ th term of this sequence.

Give your answer in the form $an^2+bn+c$ , where $a$ , $b\,$ and $c\,$ are integers.

[4]

Markscheme

The Nth Term of a Quadratic Sequence Questions

GCSE
Maths
The Nth Term of a Quadratic Sequence

201 exam-style questions on Eduqas GCSE Maths The Nth Term of a Quadratic Sequence. Each one has a worked solution and a mark scheme showing where the marks go.