document.write( "Question 260603: i need help on this problem it says in each case determine whether the lines are parallel, perpendicular or neither the problem is
\n" ); document.write( "y= x+7
\n" ); document.write( "y=-x+2
\n" ); document.write( "can you show me how you gt this answer??? thanks!
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Algebra.Com's Answer #191956 by Alan3354(69443)\"\" \"About 
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i need help on this problem it says in each case determine whether the lines are parallel, perpendicular or neither the problem is y= x+7
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\n" ); document.write( "Find the slope of each line.
\n" ); document.write( "They're in slope-intercept form, y = mx + b.
\n" ); document.write( "y = x+7
\n" ); document.write( "m = +1
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\n" ); document.write( "y = -x+2
\n" ); document.write( "m = -1
\n" ); document.write( "--------
\n" ); document.write( "The slopes are negative inverses, so they're perpendicular.
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