Which strategy would you best in preparing for vocabulary you have never seen before?

learning the prefixes of words
writing a word list while you read a text
developing an acronym to remember a difficult word
creating an image to reinforce a word and its definition in your mind

i would have to go with "writing a word list while you read a text" because in that case you could research those words.

writing a word list while you read a text

Explanation:

By reading something and writing down words that you don't know while reading a text, you can actually study the meaning of those words and make your vocabulary grow organically just for taking interest in words that you commonly see but don't exactly know the meaning.

is there an image you meant to add?

explanation:

o h y e a h y e a