kaylaa154 kaylaa154

05-02-2019
Mathematics

contestada

The points (4,k) and (5,-8) fall on a line with a slope of -7. what is the value of k?

Respuesta :

MrsStrong MrsStrong

07-02-2019

Answer:

k= -1

Step-by-step explanation:

To find k, use the points and the m =-7 in the slope formula:

[tex]m=\frac{y_2-y_1}{x_2-x_1}\\\\-7=\frac{-8-k}{5-4} \\\\-7 = \frac{-8-k}{1}\\\\-7=-8-k\\\\k = -8+7\\\\k=-1[/tex]

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