Mathematics
In the given diagram, O is the origin and P is the mid-point of AB. The equation of OP is :
y = x
2y = x
y = 2x
y = -x

Related Questions
In the adjoining diagram, G is the centroid of △ ABC. A(3, -3), B(2, -6), C(x, y) and G(5, -5). The coordinates of point D are :
(2, -6)
(3, -6)
(6, -6)
(10, -6)

In the given figure line l1 is a parallel to line l2. If line l3 is perpendicular to line l1, then the slopes of lines l2 and l3 respectively are :
1, 1
-1, -1
1, -1
-1, 1

Which of the following lines cut the positive x-axis and positive y-axis at equal distances form the origin?
3x + 3y = 6
5x + 10y = 10
-x + y = 1
10x + 5y = 5