1992 AHSME Problems/Problem 14
Problem
Which of the following equations have the same graph?
Solution
The equations differ at 
. The graph of 
would contain the point 
; 
is undefined in the graph of 
because it gives a denominator of 
; and the graph of 
contains the whole the vertical line 
as for any 
value, the equation still satisfies 
. So the answer is 
.
See also
| 1992 AHSME (Problems • Answer Key • Resources) | ||
| Preceded by Problem 13 |
Followed by Problem 15 | |
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| All AHSME Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
