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17-10-2018
Mathematics

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A line with a slope of -1/3 passes through the point (9,3). What is its equation in point-slope form?

Respuesta :

18-10-2018

The point-slope form:

[tex]y-y_1=m(x-x_1)[/tex]

We have:

[tex](9,\ 3)\to x_1=9,\ y_1=3\\\\m=-\dfrac{1}{3}[/tex]

Substitute

[tex]y-3=-\dfrac{1}{3}(x-9)[/tex]

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