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5.6 Discriminant and the Quadratic Formula Quadratic Formula : Discriminant from the quadratic formula: ________________________ Warm Up: Graph the following equations by finding the vertex and the x intercepts on your graphing calculator. It may be helpful to use the table in some cases. 1.) a = ____ b = ______ c = _______ Vertex: _____________ Discriminant: ________ Factorable: __________ X intercepts: _________ How many REAL zeroes/roots/x-intercepts/solutions are there for this graph? 2.) a = ____ b = ______ c = _______ Vertex: _____________ Discriminant: ________ Factorable: __________ X intercepts: _________ How many REAL zeroes/roots/x-intercepts/solutions are there for this graph? 5.6 Discriminant and the Quadratic Formula 3.) a = ____ b = ______ c = _______ Vertex: _____________ Discriminant: ________ Factorable: __________ X intercepts: _________ How many zeroes/roots/x-intercepts/solutions are there for this graph? The discriminant from the quadratic equation decides the number of _______________/ ________________ / _____________________ / __________________an equation has. Discriminant is _______________ Picture to Represent Situation: Number of REAL roots/x-intercepts/ zeroes/solutions: ______________ Discriminant is _______________ Picture to Represent Situation: Number of REAL roots/x-intercepts/ zeroes/solutions: ______________ Discriminant is _______________ Number of REAL roots/x-intercepts/ zeroes/solutions: ______________ Picture to Represent Situation: 5.6 Discriminant and the Quadratic Formula