document.write( "Question 106741This question is from textbook strategies for problem solving workbook
\n" ); document.write( ": question : a line has an undefined slope, what can we you say about the horizontal coordinates of eachof the points on the line? \n" ); document.write( "
Algebra.Com's Answer #77701 by scott8148(6628)\"\" \"About 
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undefined slope means a vertical line, so the horizontal coordinates are all the same \n" ); document.write( "
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