Standard Form of the Equation of an Ellipse with Center
The standard form of the equation of an ellipse with its center at is . In this formula, the orientation of the major axis is determined by comparing the denominators. When , the major axis is horizontal, meaning the distance from the center to each vertex is . Alternatively, when , the major axis is vertical, and the distance from the center to each vertex is .
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Ch.11 Conics - Intermediate Algebra @ OpenStax
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Standard Form of the Equation of an Ellipse with Center
An architect is designing an elliptical fountain for a corporate courtyard. The fountain is centered at the origin on the site plan, and its perimeter follows the standard equation . Match each algebraic component from the equation to the geometric feature it describes for the fountain.
A landscape architect is designing an elliptical park area centered at the origin on a site plan. The boundary of the park is defined by the equation . If the architect wants the park's major axis to be horizontal (lying along the -axis), which of the following conditions must be true?
A graphic designer is creating an elliptical company logo that is centered at the origin on a digital canvas. The boundary of the logo is defined by the standard equation . True or False: According to this standard form, the -intercepts of the logo are located at the coordinates and .
A graphic designer is creating an elliptical logo centered at the origin on a digital coordinate system. The logo's boundary follows the standard equation . If the designer sets the parameters such that the value of is greater than the value of (), the major axis of the logo will have a ____ orientation.
Identifying Intercepts of an Elliptical CAD Component
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You work as a CNC programmer at a custom auto parts manufacturer. You are tasked with machining an elliptical cover plate. The blueprint specifies that the center of the ellipse is shifted to coordinates on the machine's reference grid. To verify the software's toolpath, you must recall the standard form of an ellipse equation. Which of the following equations correctly represents this standard form?
A carpenter is using a coordinate system to cut an elliptical opening for a custom kitchen sink. The blueprint specifies that the center of the sink is at and the path follows the equation rac{(x-h)^2}{a^2} + rac{(y-k)^2}{b^2} = 1. If the sink is designed to have a vertical major axis, the value of must be _______ than the value of .
You are working as a layout technician for a custom signage company. You are using a coordinate-based design program to position an elliptical logo on a billboard. The program uses the standard equation . Match each component of the equation or condition with its geometric meaning on the billboard.
Locating the Center of an Elliptical Boundary
A mechanical engineer is designing an elliptical gear defined by the standard equation . True or False: According to the rules for this standard form, if the gear is designed to have a vertical major axis, then the value of must be greater than the value of .