document.write( "Question 410119: Find the equation of the line that contains the point (6,-9) and has a slope that is undefined. \n" ); document.write( "

Algebra.Com's Answer #288479 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Verical lines have undefined slopes:  the x-value NEVER changes
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document.write( "m = change(y)/change(x) (cannot divide by zero!)
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