Problem 178 of 7
Correct the projectile-modeling error in For h(t)=-16t^2+80t, the axis of symmetry t=2.5 means the projectile reaches 2.5 feet high.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch wrong root, invalid negative time, vertex/intercept confusion, and unit mistakes.
Hidden until you reveal it.
Bad work must contain one projectile root, vertex, intercept, or unit/domain error.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify whether the error involves roots, vertex, initial values, or domain.
2. Compute or read the correct feature.
3. State the corrected contextual interpretation.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Generic algebra-error responses.