document.write( "Question 54323: 1. Determine the equation of the line that passes through the points (-4, 3) and (2,2).\r
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document.write( "2+-4 = 2
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document.write( "2+(-3)= 5\r
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document.write( "y+y=2/5 {x+(-4)}
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document.write( "y+y=2/5x+8/5
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document.write( "y=2/5x+8/5-2/5=2/5x=5/5=1\r
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document.write( "2. Find the x and y intercepts and the slope of the line for 4x-3y=-6
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document.write( "-3y=-4x-6\r
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document.write( "-3y -4x =-6
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document.write( "-3 -3 3-
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document.write( "y=3/4x -2
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document.write( "=4/3 y=0,4
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document.write( " x=3,0\r
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document.write( "3. Graph y = -3/4x -2\r
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document.write( "4. Graph 3x+2y= -6
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Algebra.Com's Answer #36595 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! . Determine the equation of the line that passes through the points (-4, 3) and (2,2). \n" ); document.write( "You need the slope and y-intercept: \n" ); document.write( "Slope = [3-2]/[-4-2]= -1/6 \n" ); document.write( "y=mx+b \n" ); document.write( "2=(-1/6)2+b \n" ); document.write( "2=-1/3 + b \n" ); document.write( "7/3 = b \n" ); document.write( "EQUATION: \n" ); document.write( "y=(-1/6)x+(7/3) \n" ); document.write( "------------- \n" ); document.write( "2. Find the x and y intercepts and the slope of the line for 4x-3y=-6 \n" ); document.write( "3y=4x+6 \n" ); document.write( "y=(4/3)x+2 \n" ); document.write( "Slope = (4/3) \n" ); document.write( "y-intercept = 2 \n" ); document.write( "-------------- \n" ); document.write( "3. Graph y = (-3/4)x -2 \n" ); document.write( "Let x=0, then y=-2 giving you the point (0,-2) \n" ); document.write( "Let x=4, then y=-5 giving you the point (4,-5) \n" ); document.write( "Plot those two points and draw a line thru them. \n" ); document.write( "That is the graph. \n" ); document.write( "---------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4. Graph 3x+2y= -6 \n" ); document.write( "Let x=0 then y=-3: Plot the point (0,-3) \n" ); document.write( "Let y=0, then x=-2; Plot the point (-2,0) \n" ); document.write( "Draw a line thru those points. \n" ); document.write( "That is the graph. \n" ); document.write( "Cheers, \n" ); document.write( "stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |