document.write( "Question 1104943: Hi,
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document.write( "I am reviewing for my final and need help. Please show me what I did wrong on the following question.\r
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document.write( "8+7i
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document.write( "3-4i\r
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document.write( "That is a fraction and the question is asking to put it into standard form.
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document.write( "I multiplied both top and bottom by (3+4i) and got -4+53i for top and 25 for bottom. I have redone this problem several times and keep coming up with the same answer. The answer choices are 4/25+53/25i (what I chose), 52/7-11/7i, 52/7+53/7i, and 4/25-11/25i\r
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document.write( "Thanks in advance!
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document.write( "
Algebra.Com's Answer #719677 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 8+7i \n" ); document.write( "----- \n" ); document.write( "3-4i\r \n" ); document.write( "\n" ); document.write( "That is a fraction and the question is asking to put it into standard form. \n" ); document.write( "I multiplied both top and bottom by (3+4i) and got -4+53i for top and 25 for bottom. I have redone this problem several times and keep coming up with the same answer. The answer choices are 4/25+53/25i (what I chose), 52/7-11/7i, 52/7+53/7i, and 4/25-11/25i \n" ); document.write( "------------ \n" ); document.write( "(8+7i)/(3-4i) \n" ); document.write( "= (8+7i)*(3+4i)/25 \n" ); document.write( "= (24 + 53i - 28)/25 \n" ); document.write( "= (-4 + 53i)/25 \n" ); document.write( "Or -4/25 + (53/25)i \n" ); document.write( "========== \n" ); document.write( "It's -4 \n" ); document.write( " |