1. Objective - To use the discriminant to determine the number of real solutions for a quadratic. Quadratic FormulaDiscriminant Used to find the roots of a quadratic equation... Used to find the number of roots. Two real roots One real root No real roots

2. Determine the number of roots for the quadratic equation below. Two Real Solutions

3. Determine the number of x-intercepts for the quadratic equation below. No Real Solution

4. Determine the number of x-intercepts for the quadratic equation below. One Real Solution

5. Match each equation below with its graph. a) b)c) No Real Roots Two Real Roots One Real Roots b c a

6. Tell whether the vertex lies above, below, or on the x-axis. Opens up No Real Roots Vertex lies Above x-axis Opens down Two Real Roots Vertex lies Above x-axis