document.write( "Question 1083431: Which of the lines is perpendicular to 3 y = 5x-1?
\n" ); document.write( "Y= 5x+6
\n" ); document.write( "Y=5/3×7
\n" ); document.write( "Y=-3x-8
\n" ); document.write( "Y=3/5x+9
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Algebra.Com's Answer #697417 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Divide both sides by 3 and simplify to get y = (5/3)x - 1/3\r
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\n" ); document.write( "\n" ); document.write( "The slope of this line is 5/3\r
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\n" ); document.write( "\n" ); document.write( "Flip the fraction: 5/3 ----> 3/5
\n" ); document.write( "Flip the sign: +3/5 -----> -3/5\r
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\n" ); document.write( "\n" ); document.write( "In other words, take the negative reciprocal of 5/3 to get -3/5\r
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\n" ); document.write( "\n" ); document.write( "The perpendicular slope will be -3/5\r
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\n" ); document.write( "\n" ); document.write( "Unfortunately none of your answer choices have a slope of -3/5 so there's a typo somewhere. If I had to guess, I'd say choice C should have -3/5 as the slope instead of -3. Though D could easily be the one with the typo.
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