document.write( "Question 60755: I am having a REALLY hard time with this:
\n" ); document.write( "Complete the given table of values and graph the equation.
\n" ); document.write( "y=x^2-5x+4
\n" ); document.write( "The given table has nothing under y.
\n" ); document.write( "Under x looking downward is 0,1,2,3,4.
\n" ); document.write( "Your help would be greatly appreciated!
\n" ); document.write( "Thanks~
\n" ); document.write( "ac \n" ); document.write( "

Algebra.Com's Answer #41726 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

I am having a REALLY hard time with this:\r\n" );
document.write( "Complete the given table of values and graph the equation.\r\n" );
document.write( "y=x^2-5x+4\r\n" );
document.write( "The given table has nothing under y.\r\n" );
document.write( "Under x looking downward is 0,1,2,3,4.\r\n" );
document.write( "Your help would be greatly appreciated!\r\n" );
document.write( "Thanks~\r\n" );
document.write( "ac\r\n" );
document.write( "\r\n" );
document.write( " x   y\r\n" );
document.write( " 0   ?\r\n" );
document.write( " 1   ? \r\n" );
document.write( " 2   ?\r\n" );
document.write( " 3   ?  \r\n" );
document.write( " 4   ?\r\n" );
document.write( "\r\n" );
document.write( "First substitute x = 0\r\n" );
document.write( "y = x² - 5x + 4\r\n" );
document.write( "y = 0² - 5(0) + 4\r\n" );
document.write( "y = 0 - 0 + 4\r\n" );
document.write( "y = 4\r\n" );
document.write( "\r\n" );
document.write( "so we write 4 in the y column next to 0\r\n" );
document.write( "in the x column, and we have\r\n" );
document.write( "\r\n" );
document.write( " x   y\r\n" );
document.write( " 0   4\r\n" );
document.write( " 1   ?\r\n" );
document.write( " 2   ?\r\n" );
document.write( " 3   ? \r\n" );
document.write( " 4   ?\r\n" );
document.write( "\r\n" );
document.write( "Next substitute x = 1\r\n" );
document.write( "y = x² - 5x + 4\r\n" );
document.write( "y = 1² - 5(1) + 4\r\n" );
document.write( "y = 1 - 5 + 4\r\n" );
document.write( "y = 0\r\n" );
document.write( "\r\n" );
document.write( "so we write 0 in the y column next to 1\r\n" );
document.write( "in the x column, and we have\r\n" );
document.write( "\r\n" );
document.write( " x   y\r\n" );
document.write( " 0   4\r\n" );
document.write( " 1   0\r\n" );
document.write( " 2   ? \r\n" );
document.write( " 3   ?\r\n" );
document.write( " 4   ?   \r\n" );
document.write( "\r\n" );
document.write( "Next substitute x = 2\r\n" );
document.write( "y = x² - 5x + 4\r\n" );
document.write( "y = 2² - 5(2) + 4\r\n" );
document.write( "y = 4 - 10 + 4\r\n" );
document.write( "y = -2\r\n" );
document.write( "\r\n" );
document.write( "so we write -2 in the y column next to 2\r\n" );
document.write( "in the x column, and we have\r\n" );
document.write( "\r\n" );
document.write( " x   y\r\n" );
document.write( " 0   4\r\n" );
document.write( " 1   0\r\n" );
document.write( " 2  -2\r\n" );
document.write( " 3   ?\r\n" );
document.write( " 4   ?   \r\n" );
document.write( "\r\n" );
document.write( "Next substitute x = 3\r\n" );
document.write( "y = x² - 5x + 4\r\n" );
document.write( "y = 3² - 5(3) + 4\r\n" );
document.write( "y = 9 - 15 + 4\r\n" );
document.write( "y = -2\r\n" );
document.write( "\r\n" );
document.write( "so we write -2 in the y column next to 3\r\n" );
document.write( "in the x column, and we have\r\n" );
document.write( "\r\n" );
document.write( " x   y\r\n" );
document.write( " 0   4\r\n" );
document.write( " 1   0\r\n" );
document.write( " 2  -2\r\n" );
document.write( " 3  -2\r\n" );
document.write( " 4   ?\r\n" );
document.write( "\r\n" );
document.write( "Next substitute x = 4\r\n" );
document.write( "y = x² - 5x + 4\r\n" );
document.write( "y = 4² - 5(4) + 4\r\n" );
document.write( "y = 16 - 20 + 4\r\n" );
document.write( "y = 0\r\n" );
document.write( "\r\n" );
document.write( "so we write 0 in the y column next to 4\r\n" );
document.write( "in the x column, and we have\r\n" );
document.write( "\r\n" );
document.write( " x   y\r\n" );
document.write( " 0   4\r\n" );
document.write( " 1   0\r\n" );
document.write( " 2  -2\r\n" );
document.write( " 3  -2\r\n" );
document.write( " 4   0\r\n" );
document.write( "\r\n" );
document.write( "Now we plot the four points\r\n" );
document.write( "(0,4), (1,0), (2,-2), (3,-2), and (4,0)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then we draw a smooth curve through those \r\n" );
document.write( "five points:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Edwin

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