Admission test for the degree course in medicine and surgery 2011-2012

Domanda 79 di 80

The graph below shows the line joining A (2,1) and B (6,3), and its perpendicular bisector (shown dashed: ----------). Which of the following is the equation of the dashed line?

The graph below shows the line joining A (2,1) and B (6,3), and its perpendicular bisector (shown dashed: ----------). Which of the following is the equation of the dashed line?