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The equation of the line passing through (1,11) and (4,5) can be expressed in the form x/a + y/b = 1. Find a.

 Sep 29, 2020
 #1
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a = 10/3.

 Sep 29, 2020
 #2
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Please check your work that is incorrect

qwertyzz  Sep 29, 2020
 #3
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Find slope    =   m   = -2

 

point slope form

 

y-11 = -2 (x-1)     re-arrange

 

y -11 = -2x+ 2

y + 2x = 13          divide by 13

 x / (13/2)  + y/13 = 1                               a = 13/2

 Sep 29, 2020
 #4
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Thanks!

qwertyzz  Sep 29, 2020

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