document.write( "Question 925558: Graph the equation
\n" ); document.write( "6y-12=0 \n" ); document.write( "
Algebra.Com's Answer #561624 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "6y-12=0\r\n" );
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document.write( "When you have an equation of a line with only one letter in it\r\n" );
document.write( "like this, one way to graph it is to add 0 times the missing \r\n" );
document.write( "letter to it.  In this case x is missing, so add 0x to the \r\n" );
document.write( "equation.  That is, make it:\r\n" );
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document.write( "0x+6y-12=0\r\n" );
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document.write( "Now make a table of values, substituting different arbitrary values\r\n" );
document.write( "for the missing letter:\r\n" );
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document.write( " x | y\r\n" );
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document.write( " 0 |\r\n" );
document.write( " 1 |\r\n" );
document.write( "-3 |\r\n" );
document.write( " 5 |\r\n" );
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document.write( "Substitute x=0:   Substitute x=1:   Substitute x=-3   Substitute x=5 \r\n" );
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document.write( "  0x+6y-12=0        0x+6y-12=0        0x+6y-12=0        0x+6y-12=0\r\n" );
document.write( "0(0)+6y-12=0      0(1)+6y-12=0     0(-3)+6y-12=0      0(5)+6y-12=0\r\n" );
document.write( "   0+6y-12=0         0+6y-12=0         0+6y-12=0         0+6y-12=0\r\n" );
document.write( "     6y-12=0           6y-12=0           6y-12=0           6y-12=0\r\n" );
document.write( "        6y=12             6y=12             6y=12            6y=12\r\n" );
document.write( "         y=2               y=2               y=2              y=2\r\n" );
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document.write( "Now we have filled in the table:\r\n" );
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document.write( " x | y\r\n" );
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document.write( " 0 | 2\r\n" );
document.write( " 1 | 2\r\n" );
document.write( "-3 | 2\r\n" );
document.write( " 5 | 2\r\n" );
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document.write( "So we plot the points (0,2), (1,2), (-3,2), and (5,2)\r\n" );
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document.write( "Now draw a line through them:\r\n" );
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document.write( "Can you think of an easier way to do this when there is a missing letter\r\n" );
document.write( "in your equation?\r\n" );
document.write( "If not, it's OK, for this way will always work.\r\n" );
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document.write( "Edwin
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