Question

New one

Answer 1

you can already see the first term, right?

Answer 2

-6

Answer 3

yes

Answer 4

ok

Answer 5

and then:
plug in 4 for n, to find \(\large\color{black}{ a_4 }\) (the 4th term)

Answer 6

18

Answer 7

now quite:
\(\large\color{blue}{ a_n=-6+(n-1)6 }\)
\(\large\color{blue}{ a_4=-6+(4-1)6 }\)
\(\large\color{blue}{ a_4=-6+(3)6 }\)
\(\large\color{blue}{ a_4=? }\)

Answer 8

negative 6??

Answer 9

\(\large\color{blue}{ a_4=-6+(3)6 }\)
\(\large\color{blue}{ a_4=-6+18 }\)
\(\large\color{blue}{ a_4=? }\)

Answer 10

Its A

Answer 11

yup, there it is! that's right;)

Answer 12

Thank you!

Answer 13

yw

Answer 14

Haha i found a easy way to do it!

Answer 15

that's nice to hear.

Answer 16

Thank you again

Answer 17

yw