Find the Vertex, Focus, and Directrix of the Parabola

question 35

Multiple Choice

Find the vertex, focus, and directrix of the parabola. Graph the equation.
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• A)vertex: (0, 0) focus: (0, -4) directrix: y = 4
• B)vertex: (0, 0) focus: (0, 4) directrix: y = -4
• C)vertex: (0, 0) focus: (-4, 0) directrix: x = 4
• D)vertex: (0, 0) focus: (4, 0) directrix: x = -4

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Definitions:

Direct Labor

The labor costs directly associated with the production of goods or services, which includes wages for workers who physically contribute to the finished product.

Direct Materials

Raw materials that can be directly associated with the production of specific goods or services and are included in the cost of the finished product.

Fixed Overhead

The total of all costs that do not vary with production volume, including salaries, rent, and insurance.

Variable Overhead

Costs that fluctuate with production volume, such as utilities and indirect materials, which are not constant like fixed overhead costs.