Solve the Problem $9 x ^ { 2 } + a x + 36$

question 15

Multiple Choice

Solve the problem.
-Find all values of a that will make the polynomial a perfect square trinomial. $9 x ^ { 2 } + a x + 36$

• A) \(18 , - 18\)
• B) 36
• C) 18
• D) \(36 , - 36\)

---

Definitions:

Unobtrusive Measures

Observations of people’s behavior without them being aware of such observation.

Researcher-Researched Relationship

The dynamic and ethical interaction between the researcher and the subjects being studied.

Unobtrusive Measures

Research methods that study the behavior of individuals without their awareness or without interfering in the natural state of those being observed.

SPEAKING Model

A framework developed by Dell Hymes to analyze the various components of linguistic communication.