How do you solve the system by graphing #x – y = 7# and #x + y = 5#?
1 Answer
Jun 21, 2017
See below
Explanation:
I think the most straightforward way to graph these two lines is to set one variable to 0 and find the value of the other one. Doing so will give you the intercepts, both
And so for
and for
Connecting the two sets of dots up, we get:
graph{(x-y-7)(x+y-5)=0[-5,15,-10,7]}
And now we can see the point of intersection at