1. Graphing Quadratics in Vertex and Intercept Form Vertex Form y = a(x – h) 2 + k Intercept Form y = a(x – p)(x – q)

2. Vertex Form y = a(x – h) 2 + k vertex:( h, k ) axis of symmetry:x = h

3. Graphing Vertex Form y = 2(x + 1) 2 + 2

4. Graphing Vertex Form y = 2(x + 1) 2 + 2 1.Graph the vertex and axis of symmetry.

5. Graphing Vertex Form y = 2(x + 1) 2 + 2 1.Graph the vertex and axis of symmetry. 2.Pick a value for x, solve for y, and plot the point. Then reflect it over the axis of symmetry.

6. Graphing Vertex Form y = 2(x + 1) 2 + 2 1.Graph the vertex and axis of symmetry. 2.Pick a value for x, solve for y, and plot the point. Then reflect it over the axis of symmetry. 3.Draw in the parabola.

7. Intercept Form y = a(x – p)(x – q) x-intercepts:( p, 0 ) and ( q, 0 ) axis of symmetry: vertex:x-coordinate same as axis of symmetry, plug in and solve for y

8. Graphing Intercept Form y = -(x + 3)(x – 1)

9. Graphing Intercept Form y = -(x + 3)(x – 1) 1.Plot the two x-intercepts.

10. Graphing Intercept Form y = -(x + 3)(x – 1) 1.Plot the two x-intercepts. 2.Graph the vertex and axis of symmetry.

11. Graphing Intercept Form y = -(x + 3)(x – 1) 1.Plot the two x-intercepts. 2.Graph the vertex and axis of symmetry. 3.Draw in the parabola.

12. Practice Graph the parabola. y = -(x – 1) 2 + 2

13. Practice Graph the parabola. y = 2(x – 1)(x + 1)