Posted by **Alexis** on Tuesday, October 4, 2011 at 8:01pm.

What is the opening direction of the parabola x = –2y2.

A.left

B.right

C.up

D.down

- Math -
**Steve**, Tuesday, October 4, 2011 at 8:34pm
If x gets big positive when y gets big, the parabola opens to the right

If x gets big negative as y gets big, it opens to the left

so, if x = -2y^2, what happens?

- Math -
**Alexis**, Wednesday, October 5, 2011 at 4:07pm
It goes to the left? Idk.

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