Robert is 5 feet tall. At noon, he stands with the sun behind him casting a shadow. The distance from the top of Roberts head to
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Answer:
Guillermo reach his lowest altitude 50 sec after diving and the lowest altitude is -125 m
Step-by-step explanation:
Let
x -----> the time in seconds
y ----> altitude in meters
we have
This is a vertical parabola open upward
The vertex is a minimum
To find out the lowest altitude, find the vertex
Complete the square
Factor the leading coefficient
Rewrite as perfect square
The vertex is the point (50,-125)
therefore
Guillermo reach his lowest altitude 50 sec after diving and the lowest altitude is -125 m (below the sea level)