Question 918894
Line 1 
 x y 
–1 –2 
 1 2 m ={{{(y[1] - y[2])/(x[1] - x[2] )}}} = -4/-2 = 2
y-2 = 2(x-1)  0r  y = 2x 
..................
 Line 2 
 x y 
–2 10 
 4 1 m ={{{(y[1] - y[2])/(x[1] - x[2] )}}} = 9/-6 = -3/2
y - 1 = (-3/2)(x-4)  0r y = (-3/2)x +7
the solution to the system:
2x = (-3/2)x+7
4x = -3x + 14
7x = 14
x = 2  and y = 4 {{{2*2}}}
Ordered pair(2,4) the solution to the system