document.write( "Question 1160169: The following table of values represents points (x, y) on the graph of a linear function. Determine the y-intercept of this graph.\r
\n" ); document.write( "\n" ); document.write( " x y
\n" ); document.write( "-2 8
\n" ); document.write( " 1 2
\n" ); document.write( " 2 0
\n" ); document.write( " 4 -4
\n" ); document.write( "

Algebra.Com's Answer #783366 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "The following table of values represents points (\"x\",\"+y\") on the graph of a linear function. Determine the \"y\"-intercept of this graph.\r
\n" ); document.write( "\n" ); document.write( "\"+x+\"\"+y\"
\n" ); document.write( "\"-2+\"\"+8\"
\n" ); document.write( "\"+1+\" \"2\"
\n" ); document.write( " \"2\"\"++0\"
\n" ); document.write( "\"+4\"\"+-4\"\r
\n" ); document.write( "\n" ); document.write( "first find equation using point slope formula:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "to find a slope, use two given points:\r
\n" ); document.write( "\n" ); document.write( "\"-2+\"\"+8\"
\n" ); document.write( "\"+1+\" \"2\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%282-8%29%2F%281-%28-2%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=-6%2F%281%2B2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=-6%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"m=-2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\", plug in slope \"m=-2\" and coordinates of point \"2\"\"++0\"\r
\n" ); document.write( "\n" ); document.write( "\"y-0=-2%28x-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B4\"-> your equation\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "to find y-intercept, set \"x=0\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-2%2A0%2B4\"\r
\n" ); document.write( "\n" ); document.write( "\"y=4\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "y-intercept is at (\"0\",\"4\")\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );