Question

describe a pattern in the sequence of numbers. what is the next number.

5, 0, -5, 10

Answer 1

Did you mean 5, 0, -5, -10, ???

If so, this is an arithmetic progression, subtracting each time by 5. (or adding by -5 if you prefer.)

Answer 2

is the fourth term supposed to be -10

Answer 3

yesss

Answer 4

if so the nth term can be found using\[a _{n}=5+(n-1)(-5)=10-5n\]

Answer 5

is it -15

Answer 6

yes

Answer 7

the so-called common difference (how you progress through the sequence) is -5; so the next term is -15

Answer 8

so i add -5 to the numbers?

Answer 9

yes