document.write( "Question 634462: simplify y=-5x^7/x^8-6 i need to find my x and y intercepts i was able to find my y intercepts with x = 0 but im having trouble fnding my x-intercept with y=0. please help my instructor is of no help today. thank you richard
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Algebra.Com's Answer #399617 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Note: I'm assuming the equation is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-intercept(s): plug in y = 0 and solve for x\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y=(-5x^7)/(x^8-6)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0=(-5x^7)/(x^8-6)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0*(x^8-6)=-5x^7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = -5x^7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-5x^7 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^7 = 0/(-5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^7 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = seventh root of 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the x-intercept is (0,0)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Because there is only one y-intercept and this function goes through the origin (0,0), this means that the y-intercept is also (0,0) \n" ); document.write( " |