How do you solve the system of equations by graphing and then classify the system as consistent or inconsistent #6x - 9y = 18# and #9y - 6x = -18#?
1 Answer
Jul 19, 2017
I would say Consistent.
Explanation:
Let us write our equations as:
that can be written as:
and:
that, again, can be written as:
you can see that the second equation is the first multiplied by
We can plot them as two coincident lines of equation
graph{2/3x-2 [-10, 10, -5, 5]}