+0  
 
0
62
1
avatar

For every value of a, the graph of each of these three equations is a line:

ax + y = 1

x  + ay = 1

x + y = 9

 

For what value of a do all three of these lines intersect at the same point?

 Feb 2, 2022
 #1
avatar+1374 
+2

 

\(\color{brown}\boxed{-7\over9}\)

.
 Feb 3, 2022

8 Online Users

avatar