Question

Find an equation for the nth term of the arithmetic sequence.

-17, -12, -7, -2, ...

an = -17 + 5(n + 2)

an = -17 + 5(n + 1)

an = -17 + 5(n - 1)

an = -17 x 5(n - 1)

Answer 1

@dpaInc @phi @hartnn

Answer 2

could u find the common difference ?

Answer 3

or u know what is common difference ?

Answer 4

no i need help with everything :/

Answer 5

common difference = next term - current term
so what is -12 - (-17) = ?
-7 - (-12) = ?
and so o n

Answer 6

5

Answer 7

so thats your d= common difference = 5
1st term = a = -17
and the general formula for n'th term = ?
u know ?

Answer 8

no :(

Answer 9

Tn = a+(n-1)d
now just put the values

Answer 10

im confused :(

Answer 11

d=5,
a= -17 any problems ?

Answer 12

and n?

Answer 13

keep n as n only

Answer 14

u have n in options

Answer 15

tn=-17+(n-1)5

Answer 16

that is correct

Answer 17

oh thats the answer?

Answer 18

yes, that the final answer, don't u see it in options ?

Answer 19

the last one.

Answer 20

no,

Answer 21

the last one has multiplication sign, x

Answer 22

the one above the last one

Answer 23

yeah

Answer 24

ty

Answer 25

welcome ^_
^