First Rewrite the Quadratic Function in Standard Form by Completing $$f ( x ) = 2 x ^ { 2 } + 28 x + 90$$

question 98

Multiple Choice

First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.
- $$f ( x ) = 2 x ^ { 2 } + 28 x + 90$$

• A) \(x\)-intercepts: \(- 5\) and 9 ; \(y\)-intercept: 0
• B) x-intercepts: 5 and \(9 ; y\)-intercept: \(- 90\)
• C) \(x\)-intercepts: \(- 5\) and \(- 9 ; y\)-intercept: 90
• D) \(x\)-intercepts: 5 and \(- 9 ; y\)-intercept: \(- 28\)

Understand the theories related to sound perception and the functioning of the auditory system.

Grasp the role of sensory receptors in detecting and responding to stimuli.

Explain the concept of sensory adaptation and its implications on perception.

Recognize the neurological underpinnings and disorders of perception, including prosopagnosia.

---

Definitions:

Correlation Coefficient

A numerical measure that describes the strength and direction of a relationship between two variables.

Independent Variable

The variable that is manipulated or changed in an experiment to see if it affects the outcome.

T-test

A statistical test used to compare the means of two groups and determine if they are statistically significantly different.

Correlation Coefficient

A statistical measure that describes the extent to which two variables change together, and the strength of their relationship.