Find All the Rational Zeros of the Function F(x) = $- \frac { 1 } { 2 }$

question 225

Multiple Choice

Find all the rational zeros of the function f(x) = 2x⁴ - 12x³ - 34x² + 300x - 400.

• A)x = -4, -5, 5, \(- \frac { 1 } { 2 }\)
• B)x = 4, -5, 5, 2
• C)x = 2, 20, \(- \frac { 5 } { 2 }\) , 2
• D)x = 2, 20, -5
• E)x = \(\frac { 4 } { 5 }\) , \(- \frac { 5 } { 2 }\) , 2, 5

---

Definitions:

Inferential Statistics

A branch of statistics that allows for making predictions or inferences about a population based on a sample of data.

Mutually Exclusive

Events that cannot occur simultaneously, indicating that the happening of one precludes the occurrence of the other.

Hypothesis Testing

A statistical method to decide whether to accept or reject a hypothesis based on sample data.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is true. Often denoted by alpha, it's a measure of the risk of a Type I error.