Question

Determine whether the parabola opens up, down, left, or right.
1. -8x^2-3y
2. x-5y^2
3. x^2-3/4y
4. -2y^2-4x

Answer 1

determine by looking at value of A (squared term)
if positive then opens up
if negatve opens down

Answer 2

1. so the x^2 term is -8 so based on the above information it is negative and opeens down

Answer 3

forgot, if sqquared term is x^2 that is up or down
if that term is y^2 that is left or right

Answer 4

Thank you

Answer 5

did you get them all with that?
so what did you get for
2.
3.
4.

Answer 6

2. would be positive correct?