Question

tell whether the sequence is arithmetic. if it is what is the common difference 2 ,7, 13, 20

Answer 1

if its arithmetic the common difference = second term - first term , or third - second or fourth - third
if any of these are not equal then its is not arithmetic

Answer 2

Thank you

Answer 3

so i am thinking it isnt would this be right?

Answer 4

yes
look at the differences between the numbers
5 , 6 , 7

Answer 5

may i ask for more help sir?

Answer 6

ok - but i'm a ma'am

Answer 7

sorry i didn't know

Answer 8

oh sorry i gotta go right now

Answer 9

ok bye