document.write( "Question 311375: Find the slope, if it exists. What is the slope of x=-3? Is it undefined? Please advise. Thank you. \n" ); document.write( "
Algebra.Com's Answer #222708 by fractalier(6550)\"\" \"About 
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Yes, it is undefined. Slope is defined as the change in y over the change in x. We can see that the line x=-3 is vertical, meaning that there is no change in x at all...and anything divided by zero is undefined. \n" ); document.write( "
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