2007 Alabama ARML TST Problems/Problem 9
Problem
Let , and for . Find the value of such that is the -coordinate of the intersection between the linear equations
Solution
We subtract equations:
We can see the pattern:
Thus
Therefore and .
See also
2007 Alabama ARML TST (Problems) | ||
Preceded by: Problem 8 |
Followed by: Problem 10 | |
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