In the xy plane, at what two points does the graph of y=(x+a)(x+b) intersect x-axis?
1)a+b=-1
2) the graph intersects the y axis at (0;6)
1)a+b=-1
2) the graph intersects the y axis at (0;6)
see this link
https://www.beatthegmat.com/problem-from ... 13502.html
