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2.4 Concept Prep Assignment

I.  For # 1  12, indicate for which values of x the output (y value) is

a)     positive;

b)     negative.

Be sure to use interval notation.

1.                                                                            2.

3.                                                                            4.

5.                                                                                 6.

7.                                                                                8.

         9.                                                                                    10.

11.                                                                                          12. 

13.    The graph below is a graph of the parabola given by  and the line .     

          Use the graph to solve the inequalities:

          a)    

          b)    

14.     The graph below is a graph of the parabola given by  and the line .    

          Use the graph to solve the inequalities:

           a)    

           b)   

15.   The graph below is a graph of the parabola given by  and the line .    

        Use the graph to solve the inequalities:

         a)    

          b)   

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