3 years ago

The recursive formula for an arithmetic sequence is an = an - 1 + d.

Mathematics

2 answers:

Annette [7]3 years ago

8 0

A) -5 should be your answer

LekaFEV [45]3 years ago

3 0

If an is a5
and
an-1 is a4

then using your recursive formula for an arithmetic sequence
an=an-1 +d
then
a5=a4+d

now, a4 =6 and common difference "d" is d=-11
hence
a5=6 -11
6-11= -5

any questions?

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