Question

How could you calculate the x-coordinate of the midpoint of a horizontalsegment with endpoints at (0,0) and (20, 0)?

Answer 1

A line with the coordinates of the two points given as (0,0) and (20,0)

The formula to get the coordinate of the midpoint of a line is given by;

`\begin{gathered} ((x_1+x_2)/(2),(y_1+y_2)/(2)) \\ \text{where x}_1=0 \\ y_1=0 \\ x_2=20 \\ y_2=0 \\ \end{gathered}`

Thus the coordinate of the midpoint from the formula above is;

`\begin{gathered} (x,y)=((0+20)/(2),(0+0)/(2)) \\ (x,y)=((20)/(2),(0)/(2)) \end{gathered}`

Thus, to get the x-coordinate of the midpoint segment, we divide 20 by 2.

The correct answer, therefore, is Option C.