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Find a formula for the nth term
of the arithmetic sequence.
First term 9
Common difference -2

Find A Formula For The Nth Term Of The Arithmetic Sequence First Term 9 Common Difference 2 class=

Sagot :

Raflame

Answer:

arithmetic sequence formula: first term + (n - 1)common difference

9 + (n - 1)-2

9 + -2n + 2

= -2n + 11

musaddiqkhan
Answer:
given,a= 9 and d= -2
nth term=a+(n-1)d
=9+(n-1)-2
=9-2n+2
=11-2n

Therefore nth term = 11-2n
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