document.write( "Question 729299: Write a slope-intercept equation for a line with the given characteristics.
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document.write( "m = - 3/5, passes through (-4,-1) y = mx + b
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document.write( "I thought it would be y = -3/5(-4) + -1
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document.write( " y = 12/5x + -1
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document.write( "The answer in the book says it's y = -3/5x - 17/5
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document.write( "I don't understand what happened with (-4,-1) or how the y-intercept became 17/5.
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document.write( "The book example only shows a simple m = -4, y-intercept (0,-7) Which I know is Y = -4x - 7.\r
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document.write( "I didn't take Algebra in high school. (I've been out for a lot of years) College Algebra is required for my degree, and it is draining me. I spend hours watching teachers on you tube.
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document.write( "Thank you for any steps and help you can give me. \n" );
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Algebra.Com's Answer #445803 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Write a slope-intercept equation for a line with the given characteristics. \n" ); document.write( "m = - 3/5, passes through (-4,-1) y = mx + b \n" ); document.write( "I thought it would be y = -3/5(-4) + -1 \n" ); document.write( "y = 12/5x + -1 \n" ); document.write( "The answer in the book says it's y = -3/5x - 17/5 \n" ); document.write( "-------------- \n" ); document.write( "Use y = mx + b and the point to find b, the y-intercept \n" ); document.write( "-1 = (-3/5)*-4 + b \n" ); document.write( "b = -17/5 \n" ); document.write( "----- \n" ); document.write( "--> y = (-3/5)x - 17/5 \n" ); document.write( "======================== \n" ); document.write( " |