Use the graph to answer the following questions.
  1. What are the coordinates of the vertex?
  2. What is the equation of the axis of symmetry?
  3. What are the coordinates of the -intercept(s)?
  4. What are the coordinates of the -intercept?
  1. The vertex is at
  2. The equation of the axis of symmetry is
  3. There are no -intercepts. (Answer None.)
  4. The -intercept is at