Question

Question
May’s class is testing their egg protection contraptions by dropping them off the roof of their school. Use GeoGebra to graph the situation using the formula y=−16t2+40
. Which of the following correctly interprets the height of the school’s roof?(1 point)
Responses

41 feet
41 feet

15 feet
15 feet

40 feet
40 feet

20 feet
20 feet
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Answers

GPT-4o mini
To interpret the height of the school’s roof using the equation \( y = -16t^2 + 40 \), we need to understand what the variables represent in the context of the problem.

In this equation:
- \( y \) represents the height (in feet) of the egg at time \( t \) (in seconds) after it has been dropped.
- The term \( 40 \) in the equation indicates the initial height from which the egg is dropped.

Since the value of \( y \) (the height) starts at 40 when \( t = 0 \), this means that the height of the school’s roof is **40 feet**.

Thus, the correct interpretation of the height of the school’s roof is:

**40 feet**.