quadratic sequences

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10 Terms

1
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formula for 1st term

a+b+c

2
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formula for 1st difference

3a+b

3
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formula for 2nd difference

2a

4
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nth term

<p></p>
5
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characteristics of this sequence

1st difference is NOT constant

2nd difference is constant

6
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<p>in this formula&nbsp;<br><br>a.b,c should remain</p>

in this formula 

a.b,c should remain

7
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quadratic sequence nth term

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8
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qudratic sequence 1st difference

3a+b

9
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quadratic sequence 1st term

a+b+c

10
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qudratic sequence 2nd difference

2a