Difference between revisions of "1994 AIME Problems/Problem 7"

 
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== Problem ==
 
== Problem ==
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For certain ordered pairs <math>(a,b)\,</math> of real numbers, the system of equations
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<center><math>ax+by=1\,</math></center>
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<center><math>x^2+y^2=50\,</math></center>
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has at least one solution, and each solution is an ordered pair <math>(x,y)\,</math> of integers.  How many such ordered pairs <math>(a,b)\,</math> are there?
  
 
== Solution ==
 
== Solution ==
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{{solution}}
  
 
== See also ==
 
== See also ==
* [[1994 AIME Problems]]
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{{AIME box|year=1994|num-b=6|num-a=8}}

Revision as of 23:30, 28 March 2007

Problem

For certain ordered pairs $(a,b)\,$ of real numbers, the system of equations

$ax+by=1\,$
$x^2+y^2=50\,$

has at least one solution, and each solution is an ordered pair $(x,y)\,$ of integers. How many such ordered pairs $(a,b)\,$ are there?

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See also

1994 AIME (ProblemsAnswer KeyResources)
Preceded by
Problem 6
Followed by
Problem 8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All AIME Problems and Solutions