Module 2: Lesson 3

 

Self-Check 1

 

“Your Turn” on page 91 of the textbook

  1. The graph for is as follows:

     
    A graph of the function y equals begin square root x plus 2 end square root minus 4 is shown. The x-intercept of the graph, located at (14, 0), is also shown.


  2. The solution should be verified to ensure that the answer is not extraneous.


     
    LS RS

    0


    The left side of the equation equals the right side of the equation. As a result, the answer is a valid solution.
  3. The solutions for both parts a and b are the same.


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