document.write( "Question 173546: Which two equations represent parallel lines??\r
\n" ); document.write( "\n" ); document.write( "a. y = 9x + 6
\n" ); document.write( "b. y = 4/9x + 1
\n" ); document.write( "c. y = -9/4x - 4
\n" ); document.write( "d. y = 9x - 1\r
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Algebra.Com's Answer #128408 by user_dude2008(1862)\"\" \"About 
You can put this solution on YOUR website!
a. y = 9x + 6 & d. y = 9x - 1 parallel lines (equal slopes) \n" ); document.write( "
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