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  • 25-11-2017
  • Mathematics
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how do you find the nth term of a quadratic sequence

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Аноним Аноним
  • 25-11-2017


Step 1: Confirm if the sequence is quadratic. This is done by finding the second difference.


Step 2: If you divide the second difference by 2, you will get the value of a.

1

²

Step 3: Next, substitute the number 


Step 4: Now, take these values  from the numbers in the original number sequence and work out the nth term of these numbers that form a linear sequence.

Step 5: Write down your final answer in the form an² + bn + c.


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