Nose points right, opens to the left.
In that case it opens upwards.
right
It is like the letter U.
down
Nose points right, opens to the left.
In that case it opens upwards.
DOWN!
LEFT
The given terms can't be an equation without an equality sign but a negative parabola opens down wards whereas a positive parabola opens up wards.
If a is greater than zero then the parabola opens upward.
right
It is like the letter U.
down
Opens downward.
left
Upwards: it is cup shaped, not cap shaped.