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Home > CCG > Chapter 12 > Lesson 12.2.1 > Problem 12-65

12-65.

For each equation below, decide if the equation has any real number for the given variable. For each problem, explain how you know.  

  1.  

    Solve for .
    Is your solution a real number?




  1.  

    Is it possible for the square or absolute value of a number to be negative?

    No real solution, must be positive or zero.

  1.  

    Refer to part (a) for help.

  1.  

    Refer to part (b) for help.