Here's the question you clicked on:
primeavlqueen22
Referring to the figure, use the graph to estimate the roots of the equation: y = x2 - 2x - 8 http://www.ppstest2.com/images2/AL9008.jpg
dude there should be only 2 pairs not 3
its (4,0) and (-2,0)
the roots is where y=0 where the line intersects the x axis