Question

please help me!! tell weather the sequence is arithmetic. if it is what is the common difference.2,7,13,20 A)yes 5 B) yes 6 C) yes 2 D)no

Answer 1

try to examine your given data is 20-13 equal to 13-7 & 7-2?

Answer 2

7-2= 5
13-7=6
20-13= 7
Since the difference between any two consecutive numbers is not the same
hence the given sequence is not an arithmetic sequence.
D)no

Answer 3

@dpasingh is correct

Answer 4

Thank you so much:)