35 feet 40 feet 15 feet 15 feet 60 feet (0, 0)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 7DE
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Question
of
er
er
35 feet
40 feet
le
is
15 feet
15 feet
ay
60 feet
(0.0)
ther
Parabolic Arch Solution: Find the equation of a down-opening parabola which goes through the upper
corners of the clearance rectangle and the points where the bridge meets the water on each side. The
origin of your coordinate system should be on the surface in the middle of the river.
Hint: You will have two unknowns, so you will need to set up a system of equations to solve this.
Graph your equation on the included graph paper, letting each square represent 5 feet by 5 feet. You may
use the included graph paper, or you may use another software source for the graph presentation.
Transcribed Image Text:of er er 35 feet 40 feet le is 15 feet 15 feet ay 60 feet (0.0) ther Parabolic Arch Solution: Find the equation of a down-opening parabola which goes through the upper corners of the clearance rectangle and the points where the bridge meets the water on each side. The origin of your coordinate system should be on the surface in the middle of the river. Hint: You will have two unknowns, so you will need to set up a system of equations to solve this. Graph your equation on the included graph paper, letting each square represent 5 feet by 5 feet. You may use the included graph paper, or you may use another software source for the graph presentation.
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