Question

TELL WHETER THE SEQUENCE IS ARITHMETIC.IF IT IS IDENTIFY THE COMMON DIFFERENCE
4,8,12,16....
2,4,7,9.....
-7,-14,-21,-28....
2,20,200,2000

Answer 1

4,8,12,16..... ARITHMETIC....COMMON DIFFERENCE =4
2,4,7,9... NOT ARITHMETIC
-7,-14,-21,-28.... ARITHMETIC....COMMON DIFFERENCE =-7
2,20,200,2000....NOT ARITHMETIC

Answer 2

THANKS SO WHEN THE SAY COMMON DIFFERENCE THEY ARE JUST SIMPLE ASKING WHAT THE PATTERN?

Answer 3

the common difference is the difference between one term and previous
for first series cd = 8-4 = 4

Answer 4

TY

Answer 5

yw