Question

What is the common ratio of the following sequence? -5, -20, -80, ...

Answer 1

Sn=4*Sn-1, where S1=-5

Answer 2

what is -20/-5 and likewise -80/-20?? There's your answer :)

Answer 3

options are 4 , -4 and 1/4

Answer 4

so what is -20/-5?? use a calculator if you must. But that is the answer.

Answer 5

-20 ÷ -5
-80 ÷ -20

Answer 6

Whats the comman ratio between -5, -20 ,-80

Answer 7

I'm trying to get you to solve it...I'm just helping you
-20 ÷ -5 = x
-80 ÷ -20 = x
x is going to be your answer

Answer 8

you just apply each possible answer to the sequence and check the result as @rebeccaskell94 proposes...

Answer 9

i found the answer its 4

Answer 10

Good job!

Answer 11

thank