Question 1049917
y = 8 Green Line
x = 4 Blue Line
point of intersection:  P(4,8)
{{{drawing(300,300,    -10,10,-10,10,  blue(line(4,10,4,-10))  ,  
 grid(1),
circle(4,8,0.4),

graph( 300, 300, -10,10,-10,10,0, 8))}}}