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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