document.write( "Question 64011: In point-slope the problem is (1,2) Slope undefined and I was not sure how to find the slope with only one ordered pair. \n" ); document.write( "
Algebra.Com's Answer #44654 by josmiceli(19441)\"\" \"About 
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I think that \"slope undefined\" means that slope = infinity.
\n" ); document.write( "I've seen it expressed this way. If they didn't give you
\n" ); document.write( "information about the slope, they probably would say
\n" ); document.write( "\"slope not given\" or something like that.
\n" ); document.write( "If the slope is infinite, it a vertical line through
\n" ); document.write( "the given point. x = constant defines a vertical line
\n" ); document.write( "where the constant is the x-coordinate of the point
\n" ); document.write( "that it goes through, in this case, (1,2)
\n" ); document.write( "So, x = 1 is the equation of the line.
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