Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Geometric Sequences
hard
0:00.0
Find
a
2
a_2
a
2
if
a
1
=
k
,
r
=
−
1
a_1=k, r=-1
a
1
=
k
,
r
=
−
1
.
A
−
k
-k
−
k
B
k
k
k
C
0
0
0
D
None
Submit Answer