Difference between revisions of "2006 AMC 12A Problems/Problem 11"
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== Problem == | == Problem == | ||
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| + | Which of the following describes the graph of the equation <math>(x+y)^2=x^2+y^2</math>? | ||
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| + | <math> \mathrm{(A) \ } \;\mathrm{the\; empty\; set}\;\qquad \mathrm{(B) \ } \;\mathrm{one\; point}</math><math>\mathrm{(C) \ } \;\mathrm{two\; lines}\;\qquad \mathrm{(D) \ } \;\mathrm{a\; circle}</math><math>\mathrm{(E) \ } \;\mathrm{the\; entire \; plane}\;</math> | ||
== Solution == | == Solution == | ||
Revision as of 22:48, 10 July 2006
Problem
Which of the following describes the graph of the equation 
?
