Introductory Algebra

Chapter 4 Practice Test

1.     Plot the point  (5, - 3)

2.     Find the x-intercept and the y-intercept for    6x - 9y = 18

 

 

 

3.     Graph the equation in problem 2.

 

4.     Give the slope and the y-intercept for      y = - 2x + 5

 

 

 

 

5.     Graph the line that runs through the point  (- 3, 1)  with slope 1/2.

6.     Give the slope of the line in the graph.

 

7.     Graph    x = 1     and give the slope.

 

8.     Graph   y = - 3     and give the slope.

 

9.     Write the following equation in Slope - Intercept Form:       3x - 6y = 12

 

 

 

 

 

10.     Write an equation for the line graphed.

11.     Write an equation for the line graphed.

12.     Let f(x) = 3x - 1.       Find  f(5).

 

 

 

 

Answer KEY:

1.

    

2.     x - intercept = (3, 0)

        y - intercept = (0, - 2)

 

3.   

4.       ,     y - intercept = (0, 5)

 

5.    

6.     

 

7.     The slope is undefined.

8.     m = 0

 

9.    

 

10.    

 

11.    

 

12.     f(5) = 14