Question

C and D?

Answer 1

Huh. I am not sure whether an arithmetic sequence can have a common difference of 0 (B). Google says yes though. :S

Answer 2

Were you taught that d must be nonzero?

Answer 3

No

Answer 4

I think I was thought that d can be any number

Answer 5

@Nnesha

Answer 6

then B should work too (I'd also wait for a second opinion) ;-;

Answer 7

@Nnesha

Answer 8

@563blackghost

Answer 9

0 can be the common difference

Answer 10

you will see the importance of 0 once u get to complex arithmetic and geometric seq

Answer 11

so b,,c, d?

Answer 12

@Nnesha @Vocaloid

Answer 13

yep

Answer 14

Thanks