Name: 
 

Solving Rationals



 1 

The focal length, F, of a camera’s lens is related to the distance of the object from the lens, J, and the distance to the image area in the camera, W, by the formula below.

mc001-1.jpg

When this equation is solved for J in terms of F and W, J equals
a)
mc001-3.jpg
c)
mc001-5.jpg
b)
mc001-4.jpg
d)
mc001-6.jpg
 

 2 

What is the solution set of the equation mc002-1.jpg?
a)
mc002-4.jpg
c)
mc002-6.jpg
b)
mc002-5.jpg
d)
mc002-7.jpg
 



 
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