Question

Which of the following is an example of an arithmetic sequence?
Choose one answer.
a. 2-2+2-2+2...
b. 4,7,10,13,16...
c. 1,1,2,3,5,8...
d. 2,4,8,16,32...

Answer 1

in an arithmetic sequence you are adding (or subtracting) the same number

Answer 2

oh, duh... thanks. :)

Answer 3

Do you know which these is a geometric series?
a. 3+6+12+24...
b. 2+6+10+14...
c. 1+2+3+4...
d. 11+7+5+3+2...

Answer 4

geometric you multiply each term by the same number to get the next term

Answer 5

So it would be a. because 3 times 2 is 6, 6 times 2 is 12, etc?

Answer 6

thats correct

Answer 7

Thank you so much!