27.0k views
0 votes
Which parabola opens upward?

y = 2x – 4x^2 – 5

y = 4 – 2x^2 –5x

y = 2 + 4x – 5x^2

y = –5x + 4x^2 + 2

User SamHuckaby
by
6.6k points

1 Answer

0 votes

Answer:

D) y = –5x + 4x^2 + 2

Explanation:

You can tell by the first number being positive or negative. To check use Desmo graphing calculator and enter your equation for next time.

User Marius Bughiu
by
6.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.