3.
Which of the following is the formula in finding geometric mean?
A. m = (az)(az)
C. m= v(a)(az)
va
B. m = (a) + (az)
D. m = va
(a) + (az)
4.
Which of the following formula is used in finding the sum of the first n terms of a finite geometric
sequence?
4(1-1)
A. In
C. Sn =
(1+r))
B. Sn =
D. Sn
a-in
=
1-r
1-T
atrn
1+r
1+r
5.
Which of the following formula is used in finding the sum of and infinite geometric sequence?
a, (1-22)
C. Sn = -2
A. In
a1(1+r)
D. Sn
B. Sn
-
1-5
1-r
--
1+1
1+r​