Answer:
The sequences which are geometric are
16,-8,4,-2,1
625,125,25,5,1
-15,-18,-21.6,-25.92,-31.104
Step-by-step explanation:
Geometric sequences are ones in which you multiply or divide to get the next terms in the sequence.
Cheers
6x-1=4x+6
subtracting 4x from each side
2x-1=6
adding 1 to each side
2x=7
divide by 2
x=7/2 or 3.5
check: 6(7/2) -1 =4(7/2)+6
21-1 =14+6
20=20 correct
Answer:
- a
- d
- a
- c
- a
- b
- a
- b
- c
- a
Step-by-step explanation:

Answer:
4
Step-by-step explanation:
m = 10 - 6 / 6 - 5
m = 4 / 1
m = 4