Question

Suppose that C and D are points on the number line. If CD=9 and D lies at 4, where could C be located? If there is more than one location, separate them with commas.

Answer 1

Step-by-step explanation:

There can only be 2 location which is to the right and to the left, this is because it means the difference between is 9. So the two answers are…

13

And

-13