Which of the following is the graph of y = negative one-half x squared? a. On a coordinate plane, a parabola opens up. It goes through (negative 3, 3), has a vertex at (0, 0), and goes through (3, 3). c. On a coordinate plane, a parabola opens down and goes through (negative 3, negative 1), has a vertex at (0, 0), and goes through (3, negative 1). b. On a coordinate plane, a parabola opens down and goes through (negative 3, negative 3), has a vertex at (0, 0), and goes through (3, negative 3). d. On a coordinate plane, a parabola opens down and goes through (negative 1, negative 1), has a vertex at (0, 0), and goes through (1, negative 1). Please select the best answer from the choices provided A B C D