document.write( "Question 793696: A line passes through the points (-10,-4) and (-1,2)
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document.write( "What is the y-intercept of the line?
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Algebra.Com's Answer #480426 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A line passes through the points (-10,-4) and (-1,2) \n" ); document.write( "What is the y-intercept of the line? \n" ); document.write( "------------------------- \n" ); document.write( "Form:: y = mx + b \n" ); document.write( "Solve for \"m\" and for \"b\". \n" ); document.write( "------- \n" ); document.write( "m = (2--4)/(-1--10) = 6/9 = 2/3 \n" ); document.write( "------- \n" ); document.write( "Solve for \"b\": \n" ); document.write( "y = (2/3)x + b \n" ); document.write( "2 = (2/3)-1 + b \n" ); document.write( "2 = -2/3 = b \n" ); document.write( "b = 8/3 \n" ); document.write( "---- \n" ); document.write( "That is the y-intercept. \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |