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what is the nth term if the qudratic sequence is: 6,12,20,30,42?

Sagot :

Answer:

The quadratic sequence is [tex]x^2+3x+2[/tex].

Step-by-step explanation:

There are multiple methods of finding this but the easiest is by using Quadratic Regression on your calculator. If you are unable to do that, then you can create a system of equations with three points to find the value of the three coefficients.

studentjg123
the answer is a9=110
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