Find the Standard-Form Equation of the Ellipse Centered at the Origin

question 126

Multiple Choice

Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.
-An ellipse with length of major axis 18 and $y$ -intercepts $( 0 , \pm 5 )$

• A) \(\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 25 } = 1\)
• B) \(\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 5 } = 1\)
• C) \(\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 81 } = 1\)
• D) \(\frac { x ^ { 2 } } { 5 } + \frac { y ^ { 2 } } { 9 } = 1\)

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Definitions:

Absorption Costing

Accounting method that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed manufacturing overhead - in the cost of a product.

Unit Product Cost

The cost calculated per unit, combining all expenses including materials, labor, and overhead related to the production.

Variable Costing

A method of accounting that comprises solely of variable production expenses, such as direct materials, direct labor, and variable manufacturing overhead, in the calculation of product costs.

Variable Costing

An accounting method that includes only variable costs (costs that change with production levels) in product costs and treats fixed costs as period expenses.