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1961 AHSME Problems/Problem 3

Revision as of 16:58, 1 October 2009 by Smartguy (talk | contribs) (Created page with 'If the graphs of <math>2y+x+3=0</math> and <math>3y+ax+2=0</math> are to meet at right angles, the value of ''a'' is:')
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If the graphs of $2y+x+3=0$ and $3y+ax+2=0$ are to meet at right angles, the value of a is:

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