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The equation of the line below can be expressed in the form
\frac{x}{a} + \frac{y}{b} = 1.
Find a.

 

The lines passes through (5,8) and (-4,17).

 Jun 26, 2024
 #1
avatar+129725 
+1

Slope =  [ 17 - 8 ] / [ -4 -5 ] = 9/-9  = -1

 

Equation of line using (5,8)

 

y = -1 (x -5) + 8

 

y = -x + 13

 

x + y  = 13      divide through by 13

 

x  / 13  + y /13  = 1

 

a = 13

 

cool cool cool

 Jun 26, 2024

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