Question 878342
 <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
-.5x + .5 = x+2,  x = -1 and y = 1
y =  ax+3
1 = -a + 3
a = 2
y = 2x+3 (Purple Line)
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), 
circle(-1, 1,0.2),
graph( 300, 300, -6, 6, -6, 6,0,-.5x+.5, x+2, 2x+3) )}}}