document.write( "Question 1166427: Slope undefined, (-3,-5) lies on line \n" ); document.write( "
Algebra.Com's Answer #790947 by Alan3354(69443)\"\" \"About 
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And?
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\n" ); document.write( "The point (-3,-5) lies on an infinite # of lines.
\n" ); document.write( "In an infinite # of planes.
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\n" ); document.write( "PS vertical is not necessarily parallel to the y-axis.
\n" ); document.write( "In an x-y-z 3 space, vertical might be the x or y or z axis.
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