Question 614526
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Hi, 
y = 3x + 2 (-2,-4) (-1,-1) (0,2)
 y = -1/4 x + 1 (4,0) (0,1) (-4,2)
Yes!  the idea is to plot the Pts and connect them with their respective Lines:
B. (-.3,1.1) looks to be the best estimate of where the Lines intersect (that PT is the solution for this system of equations.
{{{drawing(300,300,   -6, 6, -6, 6,   grid(1),
circle(4, 0,0.2),
circle(0, 1,0.2),
circle(-4, 2,0.2),
circle(-2, -4,0.2),
circle(-1, -1,0.2),
circle(0,2,0.2),
graph( 300, 300, -6, 6, -6, 6,0, 3x+2,-.25x+1))}}}