document.write( "Question 1127274: The graph of the equation x=-20 is a ______ line. \r
\n" ); document.write( "\n" ); document.write( "A. vertical
\n" ); document.write( "B. dotted
\n" ); document.write( "C. slanted
\n" ); document.write( "D. horizontal
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Algebra.Com's Answer #743636 by math_helper(2461)\"\" \"About 
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\n" ); document.write( "A. it is a vertical line
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