document.write( "Question 1189173: Please explain how to solve this:\r
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Algebra.Com's Answer #820485 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "The line l₁ has eq:\r\n" );
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document.write( "(a)  the point A(-8,34,n) lies on l₁, find the value of n.\r\n" );
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document.write( "We substitute A for < x,y,z >\r\n" );
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document.write( "Both the first and second equations give t=11, \r\n" );
document.write( "substitute t=11 in the 3rd equation and get n=24.\r\n" );
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document.write( "(b) The line \r\n" );
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document.write( "intersects l₁ at A and is perpendicular to l₁.\r\n" );
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document.write( "We know this second line also goes through A, so we substitute A\r\n" );
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document.write( "I'm tired.  Maybe I'll finish later.  You have to make sure the dot product is zero.\r\n" );
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document.write( "Edwin

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