document.write( "Question 623146: Find the equation of the line that passes through two points (1,-2) and (-3,4). Write your answer in standard form Ax + By = C where A,B, and C are real numbers. \n" ); document.write( "
Algebra.Com's Answer #391896 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Find the equation of the line that passes through two points (1,-2) and (-3,4). Write your answer in standard form Ax + By = C where A,B, and C are real numbers. \n" ); document.write( "** \n" ); document.write( "equation for a straight line: y=mx+b, m=slope, b= y-intercept \n" ); document.write( "slope=∆y/∆x=(4-(-2))/(-3-1)=6/-4==-3/2 \n" ); document.write( "Equation: \n" ); document.write( "y=-3x/2+b \n" ); document.write( "solve for b using one of given coordinates (1,-2) \n" ); document.write( "-2=-3*1/2+b \n" ); document.write( "b=-2+3/2=-1/2 \n" ); document.write( "equation: \n" ); document.write( "y=-3x/2-1/2 \n" ); document.write( "2y=-3x-1 \n" ); document.write( "3x+2y=-1 \n" ); document.write( " |