25 ft 120 ft

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 21.7P
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Parabolic Arch Bridge A bridge is built in the shape of
a parabolic arch. The bridge has a span of 120 feet and a
maximum height of 25 feet. See the illustration. Choose a
suitable rectangular coordinate system and find the height
of the arch at distances of 10, 30, and 50 feet from the center.

25 ft
120 ft
Transcribed Image Text:25 ft 120 ft
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