Suppose a parabolic archway has a width of 280 cm and a height of 216 cm at its highest point above the floor. a) Write a quadratic function in vertex form that models the shape of this archway. b) Determine the height of the archway at a point that is 50 cm from its outer edge.

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 9.104TI: A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the...
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Question in picture. Vertex form is f(x)=a(x-p)^2-q

Ex//
Suppose a parabolic archway has a width of 280 cm
and a height of 216 cm at its highest point above the floor.
a) Write a quadratic function in vertex form that models
the shape of this archway.
b) Determine the height of the archway at a point that is
50 cm from its outer edge.
216 cm
-280 cm
Transcribed Image Text:Ex// Suppose a parabolic archway has a width of 280 cm and a height of 216 cm at its highest point above the floor. a) Write a quadratic function in vertex form that models the shape of this archway. b) Determine the height of the archway at a point that is 50 cm from its outer edge. 216 cm -280 cm
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