Which equation represents the line that passes through ( -8, 11) and ( 4, 7/2)?

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02-07-2015
Mathematics

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Which equation represents the line that passes through ( -8, 11) and ( 4, 7/2)?

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cdbuck cdbuck · Answer 1 · 2015-07-02T15:05:34+02:00

cdbuck cdbuck

02-07-2015

[tex]m= \frac{y2-y1}{x2-x1} [/tex]
[tex]m= \frac{7/2-11}{4-(-8)} [/tex]
[tex]m= \frac{-7.5}{12} = \frac{-5}{8} [/tex]
Now point slope form:
[tex]y-y1=m(x-x1)[/tex]
[tex]y-11= \frac{-5}{8}[x-(-8)] [/tex]
[tex]y-11= \frac{-5}{8}x-5 [/tex]
[tex]y= \frac{-5}{8}x +6 [/tex] is your final equation

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