If you vote for a candidate who cannot be elected, then you have wasted your vote. Thus, you have not wasted your vote. You voted for a candidate who can be elected because you voted for me. Given that you do not care to learn how science works, you will take the painting class. From this we can infer that you will delay your graduation, since if you don't learn how science works, your graduation will be delayed.
Categorical syllogisms are deductive.
This is implied by the fact that deductive arguments are formal and categorical syllogisms are formal. Therefore, as this argument is a categorical syllogism, this very argument is deductive.