document.write( "Question 661342: Find an equation perpendicular to x=7 and passing through (4,-3)
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Algebra.Com's Answer #411584 by jim_thompson5910(35256)\"\" \"About 
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The answer is y = -3 since y = k is perpendicular to x = 7 for any value of k.\r
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\n" ); document.write( "\n" ); document.write( "Every point on y = -3 has a y coordinate of -3, which means that y = -3 goes through (4, -3)
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