Calculating slope from tables | Linear equations & graphs | Algebra I | Khan Academy

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[JoeWDye]

What’s up with the white board instead of black?

[AngryBurrito]

Why is he flipping the pairs ? Example x is displayed as 2 and 3 and if we use the formula it should be 2-3=-1. Why does he write 3-2=1.That is what I don't get

[Fhhffhnkkbvcsegh]

Please... do you have any idea to keep in mind the rules of positive and negative numbers

[mrgoat]

Always have such clear and informative videos!!! Thanks as always!