Is negative 9 greater than negative 15?

Well, let's take a moment to appreciate these numbers. Negative 9 is actually greater than negative 15 because when numbers are negative, the one that is closer to zero is actually larger. So, in this case, negative 9 is closer to zero than negative 15, making it the greater number. Remember, every number has its own special place on the number line, and they all deserve to be valued.