document.write( "Question 623254: For the straight line defined by the points (4, 53) and (6, 87), determine the slope and y-intercept. M= ? (slope) b= ? (y-intercept)
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Algebra.Com's Answer #391998 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! For the straight line defined by the points (4, 53) and (6, 87), determine the slope and y-intercept. M= ? (slope) b= ? (y-intercept) \n" ); document.write( "** \n" ); document.write( "Equation for a straight line: y=mx+b, m=slope, b=y-intercept \n" ); document.write( "slope of given line=∆y/∆x=change in y/change in x=rise/run=(87-53)/6-4=34/2=17 \n" ); document.write( "Equation: y=17x+b \n" ); document.write( "solve for b using coordinates of one of given points (4,53) \n" ); document.write( "63=17*4+b \n" ); document.write( "b==-5 \n" ); document.write( "Equation: y=17x-5 \n" ); document.write( ".. \n" ); document.write( "slope,M =17 \n" ); document.write( "y-intercept=-5 \n" ); document.write( " |