Question

Tell whether the sequence is arithmetic . If it is , what is the common difference ?

-19,-11,-3, 5 ,

yes ; 5

yes ; 6

yes ; 8

no

Answer 1

I'm going to go with No.

Answer 2

@Mateaus

Answer 3

This is the hardest subject I every had D: mhmm

Answer 4

I see a pattern... it's increasing by a number.

Answer 5

@crystal201 what's so hard about this? did you try solving it?

Answer 6

or it could be 8

Answer 7

it is

Answer 8

so if it's increasing constantly by the same number we can conclude that the answer is... :3

Answer 9

yes i didn't realize that it was 8 till now . cause i wasn't looking at the numbers increasing .

Answer 10

so the correct answer is yes;8 !

Answer 11

mhm

Answer 12

how hard can it be? are you adding the same number each time? and if so, what is that number?

Answer 13

11-19 = 8
11-3=8

Answer 14

-3+5=8

Answer 15

am I correct? lol

Answer 16

if it is not obvious from your eyes, then do what @crystal201 wrote above
subtract the second term from the first twice
yes you are right

Answer 17

well no your answer is right, your method is wrong

Answer 18

thanks so much :p @satellite73

Answer 19

\[\huge11-(-19)=8\\
-3-(-11)=8\]

Answer 20

this girl is on fire.... she's walkin on fireeeeeeeee.

Answer 21

thanks everyone :p