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The equation of the line passing through (1,11) and  \((4,8)\) can be expressed in the form
x/a + y/b = 1.
Find a.

 Jan 25, 2022
 #1
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Slope, m = 3/-3 = -1

 y = -x + b

11 = -1+ b      b = 12

y = - x + 12

x+y = 12

x/12 + y/12 = 1     < ========   a = 12

 Jan 25, 2022

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