document.write( "Question 519232: Explain in your own words why the line x = 4 is a vertical line. I know it is a vertical because there is no y given so it can be any real number. Also because the line does not intersect the y intercept. But I need to explain this is 50 words. \n" ); document.write( "
Algebra.Com's Answer #345631 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
Hint: for all y, x equals 4. What would the graph of that look like? \n" ); document.write( "
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