Using the graph as your guide, complete the following statement. The discriminant of the function is _____. The four-quadrant graph with x and y-axis markings from negative 10 to plus 10 in a count of 2. The red color upward parabola line is drawn from the quadrant second to first by intersecting points (0,6) and (0,8) on the y-axis. A. negative B. positive C. zero