Question

Find the slope of the line that passes through (4, 18) and (7, 10).

Answer 1

Answer:

$slope = \frac{8}{ - 3}$

Step-by-step explanation:

$(4 \: \: \: ,\: \: 18) = > (x1 \: \: ,\: \: y1) \\ (7 \: , \: \: \: \: \: 10) = > (x2 \: \: \: ,\: \: y2)$

$slope \\ = \frac{y1 - y2}{x1 - x2} \\ = \frac{18 - 10}{4 - 7} \\ = \frac{8}{ - 3}$

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Answer 2

The right answer is -8/3

please see the attached picture for full solution

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