document.write( "Question 1049530: give the equation of this line in slope intercept form, the slope is -3, passes through (4,-1), y=3x+, i'm not sure what to do \n" ); document.write( "
Algebra.Com's Answer #665090 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "the equation of this line in slope intercept form is \"y=mx%2Bb\" where \"m\" is a slope and \"b\" is \"y\"-intercept which i a point (\"0\",\"b\")\r
\n" ); document.write( "\n" ); document.write( "if the slope is \"-3\",means \"m=-3\"\r
\n" ); document.write( "\n" ); document.write( "then we have \"y=-3x%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "if the line passes through (\"x\",\"y\")=(\"4\",\"-1\"), use it to find \"b\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-3x%2Bb\"...........plug in \"4\" for \"x\" and \"-1\" for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"-1=-3%2A4%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"-1=-12%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"12-1=b\"\r
\n" ); document.write( "\n" ); document.write( "\"b=11\"\r
\n" ); document.write( "\n" ); document.write( "and your equation is:\"y=-3x%2B11\"\r
\n" ); document.write( "\n" ); document.write( "check it on a graph:\r
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