document.write( "Question 75295: Graph this equation 3 ways 2x+3y=1 \n" ); document.write( "
Algebra.Com's Answer #54050 by rmromero(383)\"\" \"About 
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document.write( "Graph this equation 3 ways 2x+3y=1\r
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document.write( "1. Make a table of values of x and y. Assume values of x
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document.write( "   then substitute them to 2x + 3y = 1. Plot the points 
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document.write( "   connect with a line.\r
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document.write( "If x = -2                         if x = 2
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document.write( "      2(-1) + 3y = 1              2(2) + 3y = 1
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document.write( "         -2 + 3y = 1                4  + 3y = 1
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document.write( "              3y = 3                     3y = -3
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document.write( "               y = 1                      y = -1\r
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document.write( "            x      y
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document.write( "           -1      1
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document.write( "            2     -1\r
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document.write( "Plot the two point (-2, 1) and (2, -1)\r
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document.write( "\"graph+%28200%2C+200%2C+-4%2C+5%2C+-5%2C+4%2C+%28-2%2F3%29x+%2B1%2F3%29\"\r
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document.write( "2. Locate x and y intercept. x -intercept crosses x axis so y = 0
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document.write( "   y - intercept crosses y-axis so x = 0\r
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document.write( "   x - intercept                    y -intercept\r
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document.write( "    2x + 3(0) = 1                   2(0) + 3y = 1
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document.write( "           2x = 1                          3y = 1
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document.write( "            x = 1/2                         y = 1/3\r
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document.write( "Plot the two points (1/2, 0) and (0, 1/3)\r
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document.write( "\"graph+%28200%2C+200%2C+-1%2C+2%2C+-2%2C+2%2C+%28-2%2F3%29x+%2B+1%2F3%29\"\r
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document.write( "3. Slope and y - intercept. Find the slope and y -intercept of the equation
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document.write( "    y = mx + b where m = slope and b = y-intercept\r
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document.write( "         2x + 3y =1
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document.write( "              3y = -2x + 1
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document.write( "               y = (-2/3)x + 1/3
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document.write( "          m = -2/3  b = 1/3\r
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document.write( "Plot the first point using the y-intercept (0, 1/3)
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document.write( "then with the help of the slope we will locate the second point
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document.write( "the numerator indicated the change in y. Move up if the numerator is positive
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document.write( "move down if it is negative. the denominator indicates the change in x.
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document.write( "if positive, move right. negative, move left\r
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document.write( "from (0, 1/3) move 2 units down then 3 units right so the new point is located
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document.write( "(3, -1 1/3)\r
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document.write( "\"graph+%28200%2C+200%2C+-1%2C+4%2C+-2%2C+2%2C+%28-2%2F3%29x+%2B+1%2F3%29\"\r
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document.write( "If this is a help
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document.write( "Visit my website
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document.write( "http://onlinemathtutorial.tripod.com
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