Suggestions for this self exam: 
[A] 
Study text section 4.5 , but then keep your book closed during this
entire test 
[B] 
Enter your answers in the boxes provided. Check them when you've finished. 
[C] 
Remember the general rules: 
a b 
= 
ac bc 
and also 
a d 
+ 
b d 
= 
a + b d 

[D] 
In many cases, the most effective way to solve an equation
containing fractions is to multiply both sides of the
equation by the least common denominator, or LCD
of all fractions in the equation. If this LCD contains the
variable of the equation, this step may introduce roots that
will not check in the original equation. Thus, CHECK ALL ROOTS 

[E] Practice Addinging and Subtracting Fractions ? 