What's your favorite class?

My favorite class is math.
My favorite is math class.
My favorite class is a math class.
My favorite class is the math class.

(Which answer is correct?)

The first two are correct, but the first is best.

All of the given answers are correct, as they express the same idea. However, the use of different articles before "math class" can slightly change the emphasis or specificity of the statement. Let's break them down:

1. "My favorite class is math." - In this sentence, "math" is used as a general subject, without referring to a specific math class. It implies an overall preference for mathematics as a subject.

2. "My favorite is math class." - This statement specifies "math class" as the favorite among other classes. It implies that there are other classes being compared, and math class is the preferred option.

3. "My favorite class is a math class." - Here, "a" is used to indicate that math class is one of many favorite classes. It suggests that there is a selection of classes, and math class is among the favorites.

4. "My favorite class is the math class." - This sentence implies that there is one specific math class that is the favorite among all the classes. It emphasizes a particular math class over others.

So, the choice of which answer is the most appropriate would depend on the context and the intended meaning.