Question

Determine if the sequence is arithimetic if it is find the common difference .
1. 13 , 7, 1 , -5
A. d=-4
B. d=-2
C.d=2
D. d=-6

Answer 1

@iGreen

Answer 2

@iGreen please help

Answer 3

subtract the second term from the first, the third from the second and the fourth from the third. What values do you get?

Answer 4

Okay i will

Answer 5

5

Answer 6

oops sorry i meant second - first, etc

Answer 7

7 - 13=
1 - 7 =
-5 - 1 =

Answer 8

-6 sir

Answer 9

right -6 for each subtraction

thats your common difference

it is an arithmetic series

Answer 10

Okay thank you can you please help me with others

Answer 11

ok

Answer 12

okay ill tag you