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Review questions

  1. Write C++ expressions for the following mathematical formulae:

    \begin{displaymath} \begin{array}{cccc} \displaystyle{b^2-4ac} & \displaystyle{ ... ...aystyle{\frac{1}{1+x^2}} & \displaystyle{ a*-(b+c)} \end{array}\end{displaymath}

  2. Write C++ statements to change an integer number of centimetres into the equivalent in kilometres, metres and centimetres. For example 164375 centimetres is 1 kilometre, 643 metres and 75 centimetres. Include declarations of suitable variables.
  3. To what do the following expressions evaluate? 
         17/3  17%3  1/2  1/2*(x+y)

  4. Given the declarations:
    float x;
int k, i = 5, j = 2;
    To what would the variables x and k be set as a result of the assignments


Next: Exercises Up: The Assignment statement Previous: Multiple Choice Questions