document.write( "Question 1048460: A triangle has a height of 2x and a base of 7 - 4x.\r
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document.write( "a) what is the maximum area of the triangle?
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document.write( "b) what value of x gives the maximum area? \n" );
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Algebra.Com's Answer #664053 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! A triangle has a height of 2x and a base of 7 - 4x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = (1/2)(7-4x)2x \n" ); document.write( "A= - 4x^2 + 7x = -4(x - 7/8))^2 + 4(49/64) |completing the square \n" ); document.write( "a) what is the maximum area of the triangle? 49/16 \n" ); document.write( "b) what value of x gives the maximum area? 7/8 \n" ); document.write( " \n" ); document.write( " |