Use a Graphing Calculator to Approximate the Real Zeros $$f ( x ) = x ^ { 3 } + x ^ { 2 } - 5 x - 5$$

question 370

Multiple Choice

Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
- $$f ( x ) = x ^ { 3 } + x ^ { 2 } - 5 x - 5$$

• A) \(1,2.2 \mathrm { i } , - 2.2 \mathrm { i }\)
• B) \(- 1,2.2 , - 2.2\)
• C) \(1,2.5 , - 2.5\)
• D) \(1,2.2 , - 2.2\)

---

Definitions:

Independently Verified

Describes information, data, or claims that have been confirmed for accuracy or validity by a third-party source without conflicts of interest.

Fact Checking

The process of verifying the accuracy and truthfulness of information, statements, or claims.

Credible

Being believable or trustworthy, often used to describe reliable sources or information.

Secondary Research

The analysis, synthesis, and interpretation of existing research or data, as opposed to original or primary research.