document.write( "Question 679852: what is the equation of a vertical line that goes through (4,6)? \n" ); document.write( "
Algebra.Com's Answer #422132 by ReadingBoosters(3246)\"\" \"About 
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x = 4
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\n" ); document.write( "A vertical line is all rise, no run (where slope is rise over run), so the slope is undefined.
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\n" ); document.write( "At every y value, the x value is 4.
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