What methods could you use to calculate the x-coordinate of the midpoint of a horizontal segment with the endpoints of (-20, 0) and (20, 0)?

A. divide 0 by 20
B. calculate the average of the x-coordinates
C. divide 20 by 2
D. divide 2 by 20
E. take the average of the endpoints

Question

What methods could you use to calculate the x-coordinate of the midpoint of a horizontal segment with the endpoints of (-20, 0) and (20, 0)?

   A. divide 0 by 20 
   B. calculate the average of the x-coordinates 
   C. divide 20 by 2 
   D. divide 2 by 20 
   E. take the average of the endpoints

anonymous · Answer

im thinking it is c but im not 100% sure

anonymous · Answer

@hartnn can you help me with this

anonymous · Answer

not c or d.

anonymous · Answer

not e i dont think

anonymous · Answer

i really don't know, but the x coordinate of that would be 0, right?

hartnn · Answer

x value of mid point = average of x-coordinate