1. Sketching a Quadratic Graph Students will use equation to find the axis of symmetry, the coordinates of points at which the curve intersects the x-axis, and the coordinates of the vertex.

2. Use your GDC to draw the graph. Where does it intersect the x-axis? What is the equation of its axis of symmetry? What are the coordinates of the vertex?

3. You may wish to draw more graphs of functions of this form.

5. i. Find the point where the graph intersects the y-axis (0,8)

6. ii. The equation of the axis of symmetry

7. iii. The coordinates of the vertex The vertex is at (– 3, -1)

8. Finding the x-intercepts:

9. iv. The coordinates of the point(s) of intersection with the x-axis The x-intercepts are at (–2, 0) and (–4, 0)

10. Use the information to sketch parabola y-intercept (0, 8) Axis of Symmetry x = –3 Vertex (–3, –1) x-intercepts (–2, 0) and (–4, 0) Note a > 0, so opens up  Homework:  Page 156 – Exercise 4L  Page 158 – Exercise 4M