maths

A(2, 0)
Hence, the x coordinate of B = 2

Put x = 2 into the equation y = kx
y = 2k
Hence, the coordinates of B = (2, 2k)

AB
= 2k - 0
= 2k

AD = 2k

OD
= AD + OA
= 2k + 2

The x coordinate of D = 2k + 2
The y coordinate of D = 0
Hence, the coordinate of D = (2k + 2, 0)