document.write( "Question 1080152: Graph the equation below using the three listed methods.
\n" ); document.write( "y= -2x + 4\r
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\n" ); document.write( "slope intercept form
\n" ); document.write( "X and Y intercepts \r
\n" ); document.write( "\n" ); document.write( "Explain each step as you graph the equation\r
\n" ); document.write( "\n" ); document.write( "Need immediate help with this. Thank you.
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Algebra.Com's Answer #694401 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I will change your numbers and do this one instead,\r\n" );
document.write( "which is step by step exactly like yours.\r\n" );
document.write( "So you can use it as a model to do yours by.\r\n" );
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\n" ); document.write( "Graph the equation below using the three listed methods.
\n" ); document.write( "y= -3x + 6\r
\n" ); document.write( "\n" ); document.write( "Methods:
\n" ); document.write( "table of values
\n" ); document.write( "slope intercept form
\n" ); document.write( "X and Y intercepts \r
\n" ); document.write( "\n" ); document.write( "Explain each step as you graph the equation
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document.write( "table of values:\r\n" );
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document.write( " x |  y  | (x,y)   \r\n" );
document.write( "----------------\r\n" );
document.write( " 1 |     | \r\n" );
document.write( " 2 |     | \r\n" );
document.write( " 3 |     |  \r\n" );
document.write( " 4 |     |  \r\n" );
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document.write( "I arbitrarily chose 1,2,3,and 4 for x and substituted them into\r\n" );
document.write( "the given equation:\r\n" );
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document.write( "y = -3x + 6      y = -3x + 6       y = -3x + 6       y = -3x + 6\r\n" );
document.write( "y = -3(1) + 6    y = -3(2) + 6     y = -3(3) + 6     y = -3(4)+6\r\n" );
document.write( "y = -3+6         y = -6 + 6        y = -9 + 6        y = -12 + 6\r\n" );
document.write( "y = 3            y = 0             y = -3            y = -6\r\n" );
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document.write( "Then I finished filling in the table:\r\n" );
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document.write( " x |  y  | (x,y)   \r\n" );
document.write( "----------------\r\n" );
document.write( " 1 |  3  | (1,3)\r\n" );
document.write( " 2 |  0  | (2,0)\r\n" );
document.write( " 3 | -3  | (3,-3) \r\n" );
document.write( " 4 | -6  | (4,-6) \r\n" );
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document.write( "\"matrix%288%2C1%2C%0D%0AThen%2CI%2Cplotted%2Cthose%2Cfour%2Cpoints%2CI%2C%22found.%22%29\"\"matrix%288%2C1%2C%0D%0AThen%2CI%2Cdrew%2Ca%2Cstraight%2Cline%2Cthrough%2C%22them%3A%22%29\"\r\n" );
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document.write( "That's the first way.\r\n" );
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\n" ); document.write( "Slope-intercept form methof:
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document.write( "Compare the equation y = -3x + 6\r\n" );
document.write( "to the equation      y =  mx + b\r\n" );
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document.write( "and you see that m = -3 and b = 6\r\n" );
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document.write( "m = -3 is the slope and b is the y-intercept.\r\n" );
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document.write( "Always consider the slope m as a fraction.  In this case m = -3\r\n" );
document.write( "is not a fraction, so we put a 1 under it to make it into a\r\n" );
document.write( "fraction, because slope is the fraction \"rise%2F%22run%22\".  The fraction\r\n" );
document.write( "we use for the slope is \"%28-3%29%2F1\".\r\n" );
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document.write( "The numerator is the \"rise\".  The denominator is the \"run\".\r\n" );
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\n" ); document.write( "X and Y intercept method:
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\r\n" );
document.write( "To find the x-intercept, the point where the line crosses the \r\n" );
document.write( "x-axis, substitute 0 for the other letter, y, and solve for x.\r\n" );
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document.write( " y = -3x + 6\r\n" );
document.write( " 0 = -3x + 6\r\n" );
document.write( "3x = 6\r\n" );
document.write( " x = 2, so the line crosses the x-axis at 2.\r\n" );
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document.write( "To find the y-intercept, the point where the line crosses the \r\n" );
document.write( "y-axis, substitute 0 for the other letter, x, and solve for y.\r\n" );
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document.write( " y = -3x + 6\r\n" );
document.write( " y = -3(0) + 6\r\n" );
document.write( " y = 0+6\r\n" );
document.write( " y = 6, so the line crosses the y-axis at 6.\r\n" );
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document.write( "[Notice that this is the same y-intercept that we used in the\r\n" );
document.write( "previous method].\r\n" );
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document.write( "  \r\n" );
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document.write( "Now, do your equation exactly the same way in every detail,\r\n" );
document.write( "step by step.  \r\n" );
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document.write( "Edwin
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