document.write( "Question 263602: Please help me. I have to write an equation in point-slope form of the line that passes through the given points. My points are (1,5) and (-1,-5). I understand how to plot the points, but not how to put them in this formula
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document.write( "y= mx+b \n" );
document.write( "
Algebra.Com's Answer #194251 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I have to write an equation in point-slope form of the line that passes through the given points. My points are (1,5) and (-1,-5). \n" ); document.write( "---- \n" ); document.write( "slope = (5--5)/(1--1) = 10/2 = 5 \n" ); document.write( "------- \n" ); document.write( "Form is y = mx +b \n" ); document.write( "You know m and that y = 5 when x = 1 \n" ); document.write( "Solve for \"b\": \n" ); document.write( "5 = 5*1 + b \n" ); document.write( "b = 0 \n" ); document.write( "-------------------- \n" ); document.write( "Equation: \n" ); document.write( "y = 5x \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I understand how to plot the points, but not how to put them in this formula \n" ); document.write( "y= mx+b \n" ); document.write( " \n" ); document.write( " |