document.write( "Question 157938This question is from textbook Algebra and Trigonometry Structure and Method book 2
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document.write( ": I have been struggling on this problem and I was wondering if someone could please help me? I would deeply appreciate it!! Please and Thank You!!\r
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document.write( "The slope of a line
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document.write( "Find the value of k so that the line through the given points has slope m.
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document.write( "(k+1,k-1),(k,-k); m=k+1 \n" );
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Algebra.Com's Answer #116364 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Find the value of k so that the line through the given points has slope m. \n" ); document.write( "(k+1,k-1),(k,-k); m=k+1 \n" ); document.write( ". \n" ); document.write( "Given two points on a line, the slope is: \n" ); document.write( "(y2-y1)/(x2-x1) \n" ); document.write( ". \n" ); document.write( "From the two points: \n" ); document.write( "(k+1,k-1),(k,-k) \n" ); document.write( "slope = (-k-(k+1))/(k-(k-1)) \n" ); document.write( "slope = (-k-k-1)/(k-k+1) \n" ); document.write( "slope = (-2k-1)/(1) \n" ); document.write( "slope = -2k-1 \n" ); document.write( ". \n" ); document.write( "The problem said: \n" ); document.write( "m (slope) = k+1 \n" ); document.write( "so, now we have: \n" ); document.write( "k+1 = -2k-1 \n" ); document.write( "3k+1 = -1 \n" ); document.write( "3k = -2 \n" ); document.write( "k = -2/3 (this is the solution) \n" ); document.write( " |