document.write( "Question 1011424: What is the slope of the line y=-2? \n" ); document.write( "
Algebra.Com's Answer #627052 by Theo(13342)![]() ![]() You can put this solution on YOUR website! this is a horizontal line at y = -2. \n" ); document.write( "slope equals change in the value of y divided by change in the value of x. \n" ); document.write( "the formula is (y2-y1) / (x2-x1). \n" ); document.write( "there is no change in the value of y, so the slope is 0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a more interesting question is what is the slope of the line x = -2.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this is vertical line at x = -2. \n" ); document.write( "the slope is undefined. \n" ); document.write( "slope equals change in the value of y divided by change in the value of x. \n" ); document.write( "the formula is (y2-y1) / (x2-x1). \n" ); document.write( "there is no change in the value of x, so the slope is undefined because you are dividing by the change in the value of x which is 0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here's a graph of y = -2 and x = -2. \n" ); document.write( "the blue line is x = -2 \n" ); document.write( "the red line is y = -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |