document.write( "Question 211519: write an equation for a line that satisfies the given conditions which is through (9,10); undefined slope \n" ); document.write( "
Algebra.Com's Answer #159886 by checkley77(12844)\"\" \"About 
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AN UNDEFINED SLOPE IS A VERTICLE LINE THROUGH A GIVEN X POINT.
\n" ); document.write( "Thus you have a verticle line through the point x=9.
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