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 Find the value of $B - A$ if the graph of $Ax + By = 3$ passes through the point $(-7,2),$ and is parallel to the graph of $x + 3y = -5.$

 Aug 1, 2020
 #1
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+1

This problem was already solved

 

https://web2.0calc.com/questions/find-the-value-of-b-a-if-the-graph-of-ax-by-3-passes

 
 Aug 1, 2020
 #2
avatar+32 
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sorry for me it says that the link doesnt work

 
 Aug 1, 2020
 #3
avatar+298 
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If the link does not work (it works for me!), copy and paste your question into the "search" bar at the top. Then, it will bring you to a google page. From there, just press enter (or whatever key you use), and you will end up with a whole page of web2.0 answers to your question! 

 

:)

 

(You can PM me for a more in depth explanation if you'd like!)

 
ilorty  Aug 1, 2020
 #4
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The link works for me too.

 
Melody  Aug 2, 2020
 #5
avatar+25820 
+2

Here ...I copied and pasted the info at the link:

 

x + 3y = -5.      is tha same as    y = -1/3 x - 5/3     slope, m = -1/3

 

parallel line is of the form   y = -1/3 x + b

   sub in the given point      2 = -1/3 (-7)  + b     shows b = -1/3

     so line eq becomes       y = - 1/3 x -1/3

       re-arranged                  y + 1/3 x = -1/3        multiply by 3

                                                x + 3y = - 1      now you can calc  B-A

 
 Aug 2, 2020

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