document.write( "Question 108569: What is the equation of the line through (8,6) and (2,-4)?\r
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Algebra.Com's Answer #79220 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! SLOPE (m)=(Y2-Y1)/(X2-X1) \n" ); document.write( "m=(-4-6)/(2-8) \n" ); document.write( "m=-10/-6 \n" ); document.write( "m=10/6 \n" ); document.write( "m=5/3 IS THE SLOPE. \n" ); document.write( "NOW REPLACE THE X & Y TERMS IN THE LINE EQUATION WITH ONE SET OF POINTS & SOLVE FOR THE Y INTERCEPT(b). \n" ); document.write( "6=5/3*8+b \n" ); document.write( "6=40/3+b \n" ); document.write( "b=6-40/3 \n" ); document.write( "b=(18-40)/3 \n" ); document.write( "b=-22/3 ANSWER FOR THE Y INTERCEPT. \n" ); document.write( "THUS THE LINE EQUATION IS: \n" ); document.write( "Y=5X/3-22/3 \n" ); document.write( " |