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iVinArrow [24]
2 years ago
5

The points (2,-5) and (5,r) lie on a line with slope 2. Find the missing coordinate r.

Mathematics
1 answer:
Andrew [12]2 years ago
7 0

Answer: r = 1

Step-by-step explanation:

The slope of a line can be represented as \frac{y_2-y_1}{x_2-x_1}.  Plugging in the following values would provide you with:

\frac{(r)-(-5)}{(5)-(2)} =2

\frac{r + 5}{3}  = 2

r + 5 = 6

r = 1

Hope it helps :) and let me know if you want me to elaborate on anything.

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