If xy > 0 and yz < 0, then which of the following must be negative?

🎲 Try a Random Question  |  Total Questions in Quiz: 5  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
GRE Math: Positives and Negatives Practice Test — practice the complete quiz, review flashcards, or try a random question.


If <em>xy</em> > 0 and <em>yz</em> < 0, then which of the following must be negative?