document.write( "Question 80344: Write the equation of the line passing through (-2,5) and (1,3). Answer must be written in slope intercept form. HELP ME!!! ;0( \n" ); document.write( "
Algebra.Com's Answer #57637 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! FIRST WE NEED TO FIND THE SLOPE (m) THUS: \n" ); document.write( "(Y2-Y1)/(X2-X1)=(3-5)/(1+2)=-2/3 WHICH IS THE SLOPE (m). \n" ); document.write( "NOW WE REPLACE X & Y IN THE EQUATION Y=mX+b & SOLVE FOR THE Y INTERCEPT (b) \n" ); document.write( "5=-2/3*-2+b \n" ); document.write( "5=4/3+b \n" ); document.write( "b=5-4/3 \n" ); document.write( "b=(15-4/3) \n" ); document.write( "b=11/3 THUIS IS THE Y INTERCEPT. \n" ); document.write( "THUS THE LINE EQUATION IS \n" ); document.write( "Y=-2/3X+11/3 \n" ); document.write( " |