document.write( "Question 163652: Directions:Tell whether the line throught the given points are parellel,penpendicular,or niether . Justify your answer . \r
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\n" ); document.write( "\n" ); document.write( "Line 1: (1,0)(7,4)
\n" ); document.write( "Line 2: (7,0)(3,6)\r
\n" ); document.write( "\n" ); document.write( "*Now my question is how do you know if it is one of the three lines .(Perpendicular,Parellel,or niether).And How can I justify it ??
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Algebra.Com's Answer #120558 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
parallel lines have the same slope\r
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\n" ); document.write( "\n" ); document.write( "perpendicular lines have slopes that are negative reciprocals of each other\r
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\n" ); document.write( "\n" ); document.write( "everything else is neither\r
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\n" ); document.write( "\n" ); document.write( "slope 1 __ (4-0)/(7-1) __ 4/6 or 2/3\r
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\n" ); document.write( "\n" ); document.write( "slope 2 __ (6-0)/(3-7) __ 6/(-4) or -3/2\r
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\n" ); document.write( "\n" ); document.write( "looks like prependicular
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