Question

HELP !!!!!!

The equation below describes a parabola. If a is negative, which way does the parabola open? 

x = ay2

 A.Left 
B.Down 
C.Up 
D.Right

Answer 1

If the first term of the function is negative then the parabola will open down and it has a maximum value.

If the first term of the function is positive then the parabola will open up and it has a minimum value.

In the case of your example the parabola will open down and will have a maximum value.

hope this helps :)

Answer 2

If a is less than zero the parabola will open down.