Question

Algebra II question, see attachment!

Answer 1

hmm what's the "common difference"?

Answer 2

hint: common difference = how much it hops from term to term

Answer 3

+3?

Answer 4

Ohh okay so would it be the third choice?
\[a_n=-2+(n+3)\]

Answer 5

@jdoe0001

Answer 6

close one sec

Answer 7

\(a_n=a_1+(n-1){\color{blue}{ d}}\qquad {\color{blue}{ d}}=+3\implies a_n=-2+(n-1){\color{blue}{ 3}}
\\ \quad \\
a_n=-2+{\color{blue}{ 3}}(n-1)\)

Answer 8

\(\bf a_1 = -2\) or first term in the sequence of course