Question

Match the sequence (term) with the correct type of sequence (definition).

Match Term Definition
128, 32, 8, 2, ... A) Arithmetic, common difference is 5
1, 3, 9, 27, ... B) Arithmetic, common difference is -3
5, 10, 15, 20, ... C) Geometric, common ratio is 0.25
20, 17, 14, 11, ... D) Geometric, common ratio is 3

Answer 1

First one, you divide by 4 every time, so it would be C
Second one, multiplied by 3, so it's D
Third one, you add 5, so it's A
Fourth one, you subtract 3, so it's B

Answer 2

thanks

Answer 3

can you help me with one more ill fan you

Answer 4

Go ahead

Answer 5

Jill has been watching the squirrels that live in her neighborhood. The number of squirrels changes each week.


n f(n)
1 8
2 12
3 18
4 27


Which function best shows the relationship between n and f(n)?
f(n) = 12(1.5)n

f(n) = 12(1.5)n-1

f(n) = 8(1.5)n

f(n) = 8(1.5)n-1

Answer 6

i got D not sure if thats right

Answer 7

The order of operations on it looks iffy. Are you sure the parenthesis are in the correct spots? With that being said I'd probably go with D.

Answer 8

for the matching they said it was wrong

Answer 9

THE MATCHING IS INCORRECT