document.write( "Question 442682: x2-8x>0 solve and write th solutino set in interal notation \n" ); document.write( "
Algebra.Com's Answer #305365 by swincher4391(1107)\"\" \"About 
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x^2-8x>0\r
\n" ); document.write( "\n" ); document.write( "Solve x^2-8x = 0\r
\n" ); document.write( "\n" ); document.write( "x(x-8) = 0\r
\n" ); document.write( "\n" ); document.write( "x =0 , x =8\r
\n" ); document.write( "\n" ); document.write( "\"number_line%28600%2C-10%2C15%2C0%2C8%29\"\r
\n" ); document.write( "\n" ); document.write( "Locate a point that is less than 0:\r
\n" ); document.write( "\n" ); document.write( "Let's choose -1. (-1)^2 + 8 = 9 POSITIVE. Remember this.\r
\n" ); document.write( "\n" ); document.write( "Choose a point between 0 and 8.\r
\n" ); document.write( "\n" ); document.write( "Let's choose 1. 1^1 - 8 = -7 NEGATIVE.\r
\n" ); document.write( "\n" ); document.write( "Choose a point greater than 8, choose 9.\r
\n" ); document.write( "\n" ); document.write( "9^2 - 8(9) = 9 POSITIVE. Remember this.\r
\n" ); document.write( "\n" ); document.write( "Find where y is positive: When y<0 and when y>8.\r
\n" ); document.write( "\n" ); document.write( "Thus our answer is in interval notation (\"-infinity\",0) U (8,\"infinity\")\r
\n" ); document.write( "\n" ); document.write( "U means the union of.\r
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