Question: Use the graph of y = x2 + 4x - 5 to answer the following:
[A] Without solving the equation, use the graph to determine the solution(s) to the equation x2 + 4x - 5 = 0?
[B] Find the equation of the line of symmetry for this graph?
[C] Does this function have a maximum or a minimum?
[D] Estimate the coordinates of the vertex in (x, y) form?