Yeah... sorry to tell you... But, you really do have to know how to graph these... And I don't want you trying to plot points like you don't know what you're doing!
|First, let's take a new view of our coordinate system.
This will get us through these!
Now, let me introduce you to Sideways Parabola Guy:
He's the same shape as Standard Parabola Guy. He opens towards positives -- just like Standard Parabola Guy:
Now, we are going to need to be able to move this new guy around.