attached is a graph of the quadratic equation y=12.5-x 2 /2 a) from the graph how would i determine the locations of the location of the zeros and

attached is a graph of the quadratic equation y=12.5-x2/2

a) from the graph how would i determine the locations of the location of the zeros and the equation of the axis of symetry

b) how would i state whether the parabola suggest a maximum or a minimum

c) how would i state the max or min y-value

d) how would i state the coordinates of the vertex