Create a paraphrase of the following sentence from "the cold equations" faint and ineffable poignant and tender, the last words came from the cold metal of the communicator "good bye little sister"

Well, paraphrasing is simply communicating the same message, but in different words. I won't completely do this for you, as you have to do it on your own - but I can get you started! =)

ineffable means 'Beyond expression in words'. (definitions by Grammarly). 
poignant means 'Incisive; penetrating'. (definitions by Grammarly).

You can now work on finding synonyms for these words, in order to reconstruct the sentence in your own words. =)

I’m not sure about maybe