181,458 views
29 votes
29 votes
What kind of sequence is this?

16, 25, 36, 49,

User Vincent Zoonekynd
by
2.8k points

1 Answer

26 votes
26 votes
Use the formula
a
n
=
a
n
2
+
b
n
+
c
a
n
=
a
n
2
+
b
n
+
c
to identify the quadratic sequence.
a
n
=
n
2
+
6
n
+
9
a
n
=
n
2
+
6
n
+
9
Tap to view steps...
User Ralan
by
2.8k points
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