document.write( "Question 158073: Can someone help me with this one.
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document.write( "Determine whether the graphs of the equations are parallel lines, perpendicular lines or niether.
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document.write( "3x - 8y = -18
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document.write( "32x + 12y = -18
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #116469 by Electrified_Levi(103)![]() ![]() ![]() You can put this solution on YOUR website! Hi, Hope I can help, \n" ); document.write( ". \n" ); document.write( "Can someone help me with this one. \n" ); document.write( "Determine whether the graphs of the equations are parallel lines, perpendicular lines or niether. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Thank you! \n" ); document.write( ". \n" ); document.write( "First we have to get the two lines in the slope intercept form, \n" ); document.write( ". \n" ); document.write( "First equation \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will move (-8y) to the right side \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will move (-18) to the left side \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will use the points (-6,0)(x,y) and ( 2, 3)(x,y)( replace \"x\" with (-6), replace \"y\" with \"0\" for our first check, replace \"x\" with \"2\", replace \"y\" with \"3\" in our second check \n" ); document.write( ". \n" ); document.write( "(-6,0), \n" ); document.write( ". \n" ); document.write( "(-6,0), \n" ); document.write( ". \n" ); document.write( "Lets check with a different point \n" ); document.write( ". \n" ); document.write( "(2,3) , \n" ); document.write( ". \n" ); document.write( "(2,3) , \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Second equation (We are changing equation into slope intercept form \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We need to move \"32x\" to the right side \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "The slope intercept form of the equation \n" ); document.write( ". \n" ); document.write( "Lets check using two points again, Lets use (0, \n" ); document.write( ". \n" ); document.write( "(0, \n" ); document.write( ". \n" ); document.write( "(0, \n" ); document.write( ". \n" ); document.write( "Second check(second point) \n" ); document.write( ". \n" ); document.write( "( \n" ); document.write( ". \n" ); document.write( "( \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Our two equations in slope intercept form are \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "The slope of the first line is \n" ); document.write( ". \n" ); document.write( "If two lines are parallel, their slopes would be the same(our lines are not parallel) \n" ); document.write( ". \n" ); document.write( "If two lines are perpendicular, their slopes are the negative reciprocal of each other \n" ); document.write( ". \n" ); document.write( "(examples of negative reciprocals: \n" ); document.write( ". \n" ); document.write( "Our two lines are perpendicular, \n" ); document.write( ". \n" ); document.write( "Here are the two lines in a graph( lines are in slope-intercept form) \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "As you can see the lines are perpendicular \n" ); document.write( ". \n" ); document.write( "Hope I helped, Levi \n" ); document.write( " |