Amsco Integrated Algebra I: Finding Roots from a Graph
 This is a free lesson from our course in Amsco's Integrated Algebra

 This lesson explains the concepts about finding roots from a graph, taking forward the basics you have learned in earlier lessons to find the solution of an equation of the form ax²+bx+c=0 by factoring and to draw the graph of a function of the form. It further explains how are such similar expressions related? To understand this, you’ll look into the following three possible cases. • When equation has two distinct real roots:In this case the graph will intersect x axis in two points. • When equation has only one distinct real root:In this case the graph will intersect x axis in only one point. • When equation has no real root:In this case the graph will not intersect x axis. The video below further explains with the help of several examples.
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