5. Use the quadratic formula to solve: 3x3 + 4x + 2 = 0. Part I: What is the value of the discriminant? What does this tell you about the solutions to the equation? (4 points) Part II: Solve the equation using any method. (4 points)6. On the graph below, plot the following critical points of the function y - 3 = 2(x - 1)2 i. The vertex (4 points) ii. The y-intercept (4 points) 10 - X -10 10 -10 - Part II: Does the graph of this function have any x-intercepts? If so, find them. If not, explain how you know. (4 points) Part Ill: Complete the sketch of this graph from the points you've already plotted. (4 points)