Algebra 2 1 October 16, 2018 2.7: Solving Quadratic Inequalities Quadratic Inequality: ______________________________________________ _______________________________________________________________ Example 1: Graphing Quadratic Inequalities in Two Variables Graph y < 2x 2 4x + 6 Example 2: Solving Quadratic Inequalities by Using Tables or Graphs. Solve each inequality by using tables or graphs. a) x 2 6x + 8 ≤ 3 * Use a graphing calculator to graph each side of the inequality. Y1 = x 2 6x + 8 Y2 = 3 * Identify the values of x for which Y1 ≤ Y2. b) x 2 6x + 8 > 3 NOTES