# Question #ab2af

##### 1 Answer

Jan 23, 2018

See below.

#### Explanation:

Simple. Flip the leading variable.

Let's say we have the function

This parabola will open upward:

graph{x^2+4x+4 [-10, 10, -5, 5]}

Now flip the leading variable, here

So now we've got

This will open downward, and you've flipped it.

graph{-x^2-4x-4 [-10, 10, -5, 5]}