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.
Answer This Question
Related Questions
 Calculus  For the parabola given by (y – 3)^2 = 8(x + 5), find the following: (...
 Algebra  I'm trying this again, I'd like the quadratic form, so i can then work...
 Physics  A toy train is moving on a track from right to left. You are told that...
 Pre  Cal  1. Find the vertex of the parabola: 4y^2+4y16x=0 2. Find an ...
 Math  The parabola y=x^2 How can that equation be changed to shift the parabola...
 math  Consider a parabola P that is congruent to y=x^2, opens upward,and has ...
 Math  Solve the puzzle =RIGHT(LEFT($B$2,84),1) =RIGHT(LEFT($B$2,17),1) =RIGHT(...
 Math  What is the correct description for the translation of A to A? (10,3)>...
 math  what's the quadratic form of 1/4(x+3)^24 I need it to find the ...
 Physics  Determine the direction of frictional forces (left, right, up down) ...
More Related Questions