Agraph of a quadratic function is shown below. graph of y equals minus 2 times the square of x plus 40 times x plus 600 what is the vertex of the parabola shown? (5 points) (30, 0) (800, 10) (0, 600) (10, 800)

800. 600. 400. 200. 11. 3. 2. 15. 15. which equation could be a prediction f equation for the data points shown in the scatter plot at the right? a y=x + 400 c y= 5x + g (-1, 4). h (4,0). j (0,3). 10. which system of equations is graphed? a x+y= 5. c x - y = 5 x – 2y = 2 x – 2y = 2. b: x+y= 5. d x - y = 5. 3 x + 2y = 2 x+ 2y = 2. 10.