document.write( "Question 1171060: Write the equation of the line that passes through the point (2,-1) and has a slope of -3 \n" ); document.write( "

Algebra.Com's Answer #795942 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "In the most general case, the line, which has the slope \"m\" and goes through the point (a,b), has an equation\r\n" );
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document.write( "    y - b = m*(x-a).\r\n" );
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document.write( "In your case,  m= -3,  a= 2,  b= -1, so the line has an equation\r\n" );
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document.write( "    y - (-1) = (-3)*(x-2),   or\r\n" );
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document.write( "    y + 1 = -3x + 6,   or\r\n" );
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document.write( "    y = -3x + 5\r\n" );
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document.write( "or any other equivalent equation.\r\n" );
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\n" ); document.write( "\n" ); document.write( "As a bonus for you, consider the lessons in this site\r
\n" ); document.write( "\n" ); document.write( "    - Find the slope of a straight line in a coordinate plane passing through two given points\r
\n" ); document.write( "\n" ); document.write( "    - Equation for a straight line having a given slope and passing through a given point\r
\n" ); document.write( "\n" ); document.write( "    - Solving problems related to the slope of a straight line\r
\n" ); document.write( "\n" ); document.write( "    - Equation for a straight line in a coordinate plane passing through two given points\r
\n" ); document.write( "\n" ); document.write( "    - Equation for a straight line parallel to a given line and passing through a given point\r
\n" ); document.write( "\n" ); document.write( "    - Equation for a straight line perpendicular to a given line and passing through a given point \r
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