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21-03-2017
Mathematics

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A student finds the slop of the line between (4, 3) and (-2, -2). She writes -2–4/-2–3. What mistake did she make?

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Аноним Аноним

21-03-2017

Her mistake is that she did the change in x over the change in y. It should be the change in y over the change in x. So: -2-3/-2-4

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21-03-2017

In the slope formula, The difference in the y-values are on the numerator and the difference in the x-values are on the denominator.
It should be:
(-2-3)/(-2-4)

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