Asked by happy
4,9,x,37 is a quadratic sequence (a)show that x=20 (b)determine the nth term of the sequence thanks in advance
Answers
Answered by
Steve
quadratic sequences will have linear 1st differences and constant 2nd differences.
The 1st differences here are 5,x-9,37-x
The 2nd differences are x-14,46-2x
If x=20, that makes the 1sts: 5,11,17
and the 2nds 6,6
which is consistent.
I expect you can determine the nth term all right...
The 1st differences here are 5,x-9,37-x
The 2nd differences are x-14,46-2x
If x=20, that makes the 1sts: 5,11,17
and the 2nds 6,6
which is consistent.
I expect you can determine the nth term all right...
Answered by
Basetsana
4du
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.