document.write( "Question 786670: For the straight line defined by the points (3, 51) and (5, 87), determine the slope and y-intercept. \n" ); document.write( "
Algebra.Com's Answer #477932 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! For the straight line defined by the points (3, 51) and (5, 87), determine the slope and y-intercept. \n" ); document.write( "---------- \n" ); document.write( "slope = (87-51)/(5-3) = 36/2 = 18 \n" ); document.write( "---------- \n" ); document.write( "Form: y = mx + b \n" ); document.write( "y-intercept:: \n" ); document.write( "Substitute fr y,m,x to solve for \"b\": \n" ); document.write( "87 = 18*5 + b \n" ); document.write( "b = 87-90 \n" ); document.write( "b = -3 \n" ); document.write( "-------- \n" ); document.write( "Equation: \n" ); document.write( "y = 18x - 3 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |