Answer:
it does not show a problem, but if the equation is y=, and a is greater than zero, it opens up. while when a is less than zero, it opens down.
on the other hand, if its x=, the parabola will open either left or right. if The sign of the first term is negative, the parabola will open to the left. if positive, it will open right.
i hope this helps!!
stay happy and healthy friend!
