PRACTICE TEST
Directions:identify whether the parabola of the quadratic functions below opens
upward or downward. Write your answer on the space provided before each
number.
1. f(x) = -²- 5x+4
2. f(x) = 2x2 - 8x + 16
3. f(x) = -)2 - 5x + 4
4. f(x) = 7x2 + 22x + 3
5. f(x) =
![PRACTICE TESTDirectionsidentify Whether The Parabola Of The Quadratic Functions Below Opensupward Or Downward Write Your Answer On The Space Provided Before Eac class=](https://ph-static.z-dn.net/files/d93/b5e9f626156e137df843526d597fa4d4.jpg)