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| SOLVING
RATIONAL EQUATIONS |
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Here’s an explanation: This type of problem is a common problem on standardized
exams. It would look something like this:
Solve for x when:
- x = 0
- x = 2
- x = 0, 2
- no solution
When a student checks
for the domain of x first, it is unlikely that the student will get
tricked. The above problem can be solved without
doing any calculations by ruling out those values of x
that give a denominator of 0. |
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