Difference between revisions of "User:Temperal/Introductory Proportion"
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==Problem== | ==Problem== | ||
| − | Suppose <math> | + | Suppose <math>\frac{1}{20}</math> is either '''x''' or '''y''' in the following system: |
| − | + | <cmath>\begin{cases} | |
xy=\frac{1}{k}\\ | xy=\frac{1}{k}\\ | ||
x=ky | x=ky | ||
| − | \end{cases}</ | + | \end{cases}. </cmath> |
Find the possible values of '''k'''. | Find the possible values of '''k'''. | ||
Revision as of 15:23, 20 September 2007
Problem
Suppose 
is either x or y in the following system:
![\[\begin{cases} xy=\frac{1}{k}\\ x=ky \end{cases}.\]](http://latex.artofproblemsolving.com/0/5/c/05c675b361f4b65d0051c37502655636550c4ee2.png)
Find the possible values of k.
Solution
Template:Incomplete
If 
, then 
.
