Find the Coordinates of the Vertex for the Parabola Defined $$f ( x ) = 3 - x ^ { 2 } - 2 x$$

question 38

Multiple Choice

Find the coordinates of the vertex for the parabola defined by the given quadratic function.
- $$f ( x ) = 3 - x ^ { 2 } - 2 x$$

• A) \(( 1 , - 4 )\)
• B) \(( - 1 , - 4 )\)
• C) \(( 1,4 )\)
• D) \(( - 1,4 )\)

---

Definitions:

Z-score

A statistical measure that describes the position of a data point in terms of standard deviations from the mean.

Standard Normal Curve

A bell-shaped curve that represents the distribution of data in which the mean is 0 and the standard deviation is 1, used in statistics to represent theoretical distributions.

Z-score

An analytical indicator showing a value's position in relation to the average within a collection of values, expressed through its distance from the mean as measured in standard deviations.

Percentile

A value on a scale of one to a hundred that indicates the percent of a distribution that is equal to or below it.