Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Geometric Sequences
easy
0:00.0
If
a
1
=
1
a_1 = 1
a
1
=
1
and
r
=
−
1
r = -1
r
=
−
1
, what is
a
5
a_5
a
5
?
A
1
B
-1
C
0
D
5
Submit Answer