Difference between revisions of "1987 AHSME Problems/Problem 11"
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Let <math>c</math> be a constant. The simultaneous equations | Let <math>c</math> be a constant. The simultaneous equations | ||
| − | <cmath>\begin{align*}x-y = &\ 2 \\cx+y = &\ 3 \\\end{align}</cmath> | + | <cmath>\begin{align*}x-y = &\ 2 \\cx+y = &\ 3 \\\end{align*}</cmath> |
have a solution <math>(x, y)</math> inside Quadrant I if and only if | have a solution <math>(x, y)</math> inside Quadrant I if and only if | ||
Revision as of 13:10, 1 March 2018
Problem
Let 
be a constant. The simultaneous equations
have a solution 
inside Quadrant I if and only if
See also
| 1987 AHSME (Problems • Answer Key • Resources) | ||
| Preceded by Problem 10 |
Followed by Problem 12 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 | ||
| All AHSME Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
