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31 votes
31 votes
Help if you fill in the blank bellow

Help if you fill in the blank bellow-example-1
User Hamed Mahdizadeh
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1 Answer

16 votes
16 votes

slope = (y2-y1)/(x2-x1)

1- slope is undefined (Vertical line)

2- slope is 0 (horizontal line)

User Mises
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