Asked by A
The arch support of a bridge can be modeled by y=-0.0012x^2 where x and y are measured in feet. Find the height and width of the arch.
I don't know how to even attempt to solve this... If you know how, can you PLEASE help asap!!
I don't know how to even attempt to solve this... If you know how, can you PLEASE help asap!!
Answers
Answered by
oobleck
This cannot be right, as the vertex is at (0,0)
You need an equation of the form
y = a - bx^2
where the height of the arch is at a, and the width is 2√(a/b)
You need an equation of the form
y = a - bx^2
where the height of the arch is at a, and the width is 2√(a/b)
Answered by
asdfasdf
height: 300 feet
width: 1000 feet
width: 1000 feet
Answered by
chinese guy
WIDTH: 342941 :HEIGHT: 243143
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