document.write( "Question 201392: Solve the inequality\r
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document.write( "4k^3-6k^3(< or =)4k\r
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document.write( "possible answers:
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document.write( "(-infinite,-1/2] or (0,2)
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document.write( "(-infinite,-1/2) or (0,2)
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document.write( "(-infinite,-1/2] or [0,2]
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document.write( "(-infinite,-1/2) or [0,2] \n" );
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Algebra.Com's Answer #151634 by Theo(13342)![]() ![]() You can put this solution on YOUR website! simplify the left side of the equation to get\r \n" ); document.write( "\n" ); document.write( "-2k^3 <= 4k\r \n" ); document.write( "\n" ); document.write( "divide both sides by k to get\r \n" ); document.write( "\n" ); document.write( "-2k^2 <= 4\r \n" ); document.write( "\n" ); document.write( "divide both sides of the equation by -2 to get\r \n" ); document.write( "\n" ); document.write( "k^2 >= -2\r \n" ); document.write( "\n" ); document.write( "take the square root of both sides of the equation to get\r \n" ); document.write( "\n" ); document.write( "k >= square root of (-2)\r \n" ); document.write( "\n" ); document.write( "to prove your answer is correct you need to.\r \n" ); document.write( "\n" ); document.write( "1. let k = square root (-2) and solve. the equation should hold true.\r \n" ); document.write( "\n" ); document.write( "2. let k be > than square root (-2) and solve. the equation should hold true.\r \n" ); document.write( "\n" ); document.write( "3. let k be < than square root (-2) and solve. the equation should be false.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |