andreagarcia071980 andreagarcia071980
  • 12-06-2019
  • Mathematics
contestada

write the equation of the line that passes through the points (7,-4) and (-1,3), first in point slope form​

write the equation of the line that passes through the points 74 and 13 first in point slope form class=

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 12-06-2019

The given line that passes through the points (7,-4) and (-1,3).

The slope is

[tex]m = \frac{3 - - 4}{ - 1 - 7} = - \frac{7}{8} [/tex]

The point-slope form is obtained using:

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

When (7,-4) is used the point-slope form is

[tex]y + 4= - \frac{7}{8} (x - 7) [/tex]

We expand now to get;

[tex]y = - \frac{7}{8}x + \frac{49}{8} - 4[/tex]

This implies that,

[tex]y = - \frac{7}{8}x + \frac{17}{8}[/tex]

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