document.write( "Question 469936: Does every straight line have a slope that is defined? \n" ); document.write( "

Algebra.Com's Answer #322381 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Does every straight line have a slope that is defined? NO
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document.write( "Vertical line, for example x = 3 has an undefined slope.
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document.write( "Using the point-slope formula, 
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document.write( "As the x value does not change:  Slope is undefined.  CANNOT divide by zero.
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