题目
202520-MAC-1140-20211 Collaborate & Experience: Modeling with an Ellipse Activity
多项选择题
Step 2. State the information. It is important to identify the information that will be useful to you in building your model. Select all of the following that may be mathematically significant to the problem.
选项
A.The soccer field is 180 feet wide.
B.The track is centered on the origin of the ellipse.
C.The project must be finished by December 2026.
D.The project will be built in the city of Oviedo.
E.The track is in the shape of an ellipse.
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标准答案
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思路分析
When approaching a problem about building a mathematical model, it’s helpful to identify all pieces of information that could influence the equations or the coordinate setup.
Option 1: The soccer field is 180 feet wide. This detail provides a real-world scale that might influence unit choices or the size of the ellipse in the model. I......Login to view full explanation登录即可查看完整答案
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Define the variables in your problem. The elliptical track is centered on the origin. If (x,y) is a point on the ellipse, x describes the distance horizontally from the origin in feet to the point on the ellipse and y describes the distance vertically from the x-axis to the point on the ellipse in feet .
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