Wetzel                                                                                                             

Math 102

Test #4

                                                                                   

 

Read each problem carefully and check your work!

 

1.)  Solve the following equation by completing the square.  Correct work must be shown for credit.

                       

 

 

2.)  Given the equation,   answer parts a and b.

 

 

            a.)  State the discriminant.  ___________

 

 

 

            b.)  Describe the solutions of the equation.  _____________________________

 

 

 

3.)  Solve the following equations using any method you prefer.

 

            a.)                                           b.) 

 

 

 

            c.)                                         d.) 

 

 

 

 

            e.) 

 

 

  

4.)  Solve the following inequalities.

            a.)                                         b.) 

 

 

5.)  Given the equation, find the following.  Write the points as ordered pairs and leave answers in radical notation where needed. 

 

            a.)  vertex: __________

 

 

            b.)  axis of symmetry: ____________

 

 

            c.)  x-intercepts: __________________

 

 

            d.)  y-intercepts: _________________

 

 

 

6.)  Patti drove 80 miles west, and then drove 60 miles south.  How far is she from her starting location?

 

 

  

7.)  A golf ball is launched by a slingshot from a platform that is 95 feet high at an initial velocity of 88 feet per second.  When will the golf ball hit the ground?  Use the formula,