
Directions: Grab your paper and pencil. Either provide a check to show your answer is not extraneous, or state the domain of the equation showing which values will not satisfy the equation.
2. 



7. 
Find the lengths of the two unknown sides represented in terms of x. 



9. 
The sum of twice a positive integer and four times the reciprocal of the integer is 9. Find the integer. 


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