Final Exam
College Algebra
NAME_____________________
All work must be shown to receive full credit. Put all answers in simplest form.
1.
2. 
3. 
Put in simplest form:
4 
5. 
6. 
7. 
Solve for x. Use any method.
8. 
9.
10. Solve
and Graph the solutions: 
11. Graph the domain and range of: 
on a number line:
- Find the equation of the line through the points (-3,6) and (4,1). Write
the equation in slope-intercept form.
- let
and 
. Find the following:
a.
b. 
(this means: find the inverse of f(x) and the inverse of g(x))
14. Solve for x. 
15. Evaluate using your calculator and the
change of base formula: 
16. Solve the system of equations below by substitution:
17. Now use the elimination method to solve this linear system:
18. Change the following system of equations to matrix form. Now use row reduction
to solve the system for x,y and z:
In #19-20, assume that each grid mark represents one unit.
19. Which
below is the correct graph of this function: 
?
A B
C D
20. Which below is the graph of the line that passes through (-2,1) and (0,-3)?
A B
C D
