# I need help with Quadratic App

**Question description**

I need help with Quadratic Applications in Algebra 2. I'm confused on whether to use factored or vertex form based on what given in the word problem. For example a word problem I got was: "An arrow is shot from the bottom of a well. It passes ground level at 0.g seconds and lands on the ground at 3.8 seconds." They want me to define the variables, write a quadratic function that describes the height of the arrow (in meters) as a function of time, the initial velocity of the arrow in meters per second, and how deep the well was in meters.

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