document.write( "Question 62985This question is from textbook college algebra
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document.write( ": Determine if the following equations are linear.
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document.write( "3x + 2(x-4y)=2x-y\r
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document.write( "x-3 over 2 = 4+y over 5\r
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document.write( "x-2x^2+3= x-7 over 2
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document.write( "Determine the x and y intercepts of the following linear equations, if possible, and then graph the equations.\r
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document.write( "4x-3y=12 x+2y=7 y-x=x-y
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Algebra.Com's Answer #43825 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3x + 2(x-4y)=2x-y \n" ); document.write( "3x+2x-8y=2x-y \n" ); document.write( "3x=7y \n" ); document.write( "y=(3/7)x \n" ); document.write( "Yes, it is linear. \n" ); document.write( "----------------- \n" ); document.write( "x-3 over 2 = 4+y over 5 \n" ); document.write( "(x-3)/2 = (4+y)/5 \n" ); document.write( "5(x-3)=2(4+y) \n" ); document.write( "5x-15=8+2y \n" ); document.write( "2y=5x-23 \n" ); document.write( "y=(5/2)x-(23/2) \n" ); document.write( "Yes, it is linear. \n" ); document.write( "--------------- \n" ); document.write( "x-2x^2+3= x-7 over 2 \n" ); document.write( "2x-4x^2+6=x-7 \n" ); document.write( "4x^2-x-13=0 \n" ); document.write( "Not linear \n" ); document.write( "------------------ \n" ); document.write( "Determine the x and y intercepts of the following linear equations, if possible, and then graph the equations. \n" ); document.write( "4x-3y=12 \n" ); document.write( "Let x=0, y=-4 (This is the y-intercept) \n" ); document.write( "Let y=0, x=3 (This is the x-intercept) \n" ); document.write( "--------------------- \n" ); document.write( "x+2y=7 \n" ); document.write( "Let x=0, y=7/2 (This is the y-intercept) \n" ); document.write( "Let y=0, x=7 (This is the x-intercept) \n" ); document.write( "---------------- \n" ); document.write( "y-x=x-y \n" ); document.write( "2y-2x=0 \n" ); document.write( "y-x=0 \n" ); document.write( "y=x \n" ); document.write( "If x=0, y=0 ( this is the x-intercept and the y-intercept) \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |