Formal:
* Vous avez entendu: This is the most literal translation and is used in formal situations.
Informal:
* Tu as entendu: This is the informal equivalent of "vous avez entendu" and is used with friends and family.
* T'as entendu: This is a very informal and colloquial way to say "you heard" and is common among friends and young people.
Other options:
* Vous voyez: This translates to "you see" but is often used to mean "you understand" or "you heard."
* Vous comprenez: This means "you understand" and is used in formal situations.
Examples:
* Vous avez entendu ce qu'il a dit? (Did you hear what he said?) - Formal
* Tu as entendu la nouvelle? (Did you hear the news?) - Informal
* T'as entendu ce qu'il a fait? (Did you hear what he did?) - Very informal
* Vous voyez ce que je veux dire? (You see what I mean?) - Formal
* Vous comprenez? (Do you understand?) - Formal
The best way to choose the correct phrase is to consider the context and your relationship with the person you are speaking to.