Help?

Question

Suppose poing j has coordinate of -2 and JK=4. Then what is the possible coordinate(s) for K?
A. 4
B. 2 or -4
C. -4
D. 2 or -6

Answer 1

any point 4 units from -2. That would be

-2-4 = -6
or
-2+4 = 2

so, (D)