Determine Whether the Parabola Opens Upward or Downward $$y = x ^ { 2 } - 2 x - 5$$

question 152

Multiple Choice

Determine whether the parabola opens upward or downward.
- $$y = x ^ { 2 } - 2 x - 5$$

• A)downward
• B)upward

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Definitions:

Break-Even Point

The production level or sales volume at which total revenues equal total expenses, resulting in neither profit nor loss.

Variable Costs

Costs that change in proportion to the level of production or sales activities, such as materials and labor.

Utilization

The extent to which a resource, such as equipment or labor, is used for its intended purpose, often expressed as a percentage.

Efficiency

The ratio of the useful output to the total input in any system, reflecting how well resources are utilized without waste.