Question 604392: -x-3y=-9
How would this equation be graphed? What would the value of x and the value of y be? Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website! is a linear equation.
For linear equations, the graph is a straight line.
To draw them you just need to determine 2 points, plot them, and connect them with a straight line.
I try to chose points that make the calculations easy and the graph "pretty".
If I am lucky, the point with x=0 and the point with y=0 will do.
Because I do not like to mess with so many minus signs, I will first multiply both sides of times to get the equivalent equation
With x=0, we get --> --> -->
That gives us the point (0,3)
With y=0, we get --> --> for the point (9,0).
So we plot the points and connect them to get
