The x coordinate of the vertex is 4 Use that value in the equation to determine the y coordinate of the vertex y f f 4 2a 4 2 Step 4 Give the coordinates of the vertex x y 4 2 4 2 Step 5 To find the zeros or x intercepts of the function we solve the equation y x 0 0 Give the zeros below Enter your answers as a comma separated list 1 2x x x 0 for x