Intersections and inequalities day 4

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Intersections and inequalities day 4

  1. 1. Sept. 16th, 2013 Learning Outcome: To solve quadratic inequalities.
  2. 2. Explore: Inequalities with one variable  Launch: Solve the following inequalities and graph on a number line:  Example: -2x – 3 < 4   1. x - 1 > 3  2. 2x < 4  3. 9x – 25 < 29  4. -2(x-8)< 6
  3. 3. Explore: Solving quadratic inequalities How can the graphs of y = 2x2 + 5x – 3 and y = x2+ 4x + 3 help you to solve an inequality? Consider this as you answer the questions below . a. Draw the graphs and use colored pencils to show your answers b. Label each graph with its equation b

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