Question

Please help me! It's really confusing me as erm where is the graph to measure it on??

Answer 1

C (50, - 20 )

Explanation:

the point C is at the midpoint of AB

A (0, - 40 ) and B (100, 0 )

the midpoint is then the average of the x and y coordinates of A and B , that is

C = (
`(0+100)/(2)` ,
`(-40+0)/(2)` ) = (
`(100)/(2)` ,
`(-40)/(2)` ) = (50, - 20 )