Difference between revisions of "1991 AHSME Problems/Problem 18"

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m (Solution)
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== Solution ==
 
== Solution ==
<math>\fbox{}</math>
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<math>\fbox{D}</math>
  
 
== See also ==
 
== See also ==

Revision as of 15:55, 28 September 2014

Problem

If $S$ is the set of points $z$ in the complex plane such that $(3+4i)z$ is a real number, then $S$ is a

(A) right triangle (B) circle (C) hyperbola (D) line (E) parabola

Solution

$\fbox{D}$

See also

1991 AHSME (ProblemsAnswer KeyResources)
Preceded by
Problem 17
Followed by
Problem 19
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

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