Which sentence is an example of an informal style of writing?

Question

As student council president, Siam raised more money from fundraisers than any president before him.
Remember when . . . you threw the pass that won the state championship?
Jenna always dreamed of holding an important job, such as a Supreme Court Justice or United States senator.
You inspired us all when you achieved victory in the homecoming game.

Answer 1

The sentence that is an example of an informal style of writing is:

"Remember when . . . you threw the pass that won the state championship?"

This sentence uses a conversational tone and addresses the reader directly, which is characteristic of informal writing.