document.write( "Question 811800: determine whether the graphs of the equation are parallel, perpendicular, or neither\r
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document.write( "a. y=2x+5
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document.write( " 2x+y=9 \r
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document.write( "b. 3x+4y=7
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document.write( " 4x=3y-8\r
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document.write( "please help me figure this out, my teacher gives us take home tests but she does not really do a lesson on anything before she hands us the test. I am not really good at math from the beginning so i am really struggling here. if anyone could please help me out i would really appreciate it! Thank you so much!!! \n" );
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Algebra.Com's Answer #488898 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! parallel-- have the same slope \n" ); document.write( "perpendicular --the slopes multiplied together =-1 \n" ); document.write( "neither they cross and aren't perpendicular \r \n" ); document.write( "\n" ); document.write( "a. y=2x+5 \n" ); document.write( "2x+y=9 \n" ); document.write( "y=-2x+9 \n" ); document.write( "not perpendicular nor parallel \n" ); document.write( "meet at \n" ); document.write( "x = 1, y = 7 \n" ); document.write( "b. 3x+4y=7 \n" ); document.write( "4y=-3x+7 \n" ); document.write( "y=-3/4x+7/4\r \n" ); document.write( "\n" ); document.write( "4x=3y-8 \n" ); document.write( "3y=4x+8 \n" ); document.write( "y=4/3x+8/3 \n" ); document.write( "they are perpendicular \n" ); document.write( "-3/4*4/3=-1 \n" ); document.write( "x = -11/25, y = 52/25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |