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Explain why you cannot use y = mx + b to find the equation of a vertical line.

User Eugenekr
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2 votes

Answer:

because the slope would be 1/0 which is undefined

Explanation:

User Dustinmoris
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4 votes

Answer:

Because a vertical line has an undefined slope. If you were to use rise over run you get any number over 0 (ex. 7/0). You cannot divide any number by zero which means you will get an undefined answer.

User Kartik Ayyar
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