Use Matrices to Solve the System of Equations (If Possible)

question 85

Multiple Choice

Use matrices to solve the system of equations (if possible) .Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.

• A) (19a + 105, -3a - 17, a) where a is any real number
• B) (-9a - 11, -7a - 35, a) where a is any real number
• C) (-12a + 96, -12a + 37, a) where a is any real number
• D) (-125a + 105, 6a - 17, a) where a is any real number
• E) (-17a - 33, 6a - 17, a) where a is any real number

---

Definitions:

Affectively Worded Question

A question crafted to elicit an emotional response, heavily reliant on the respondent's feelings or attitudes.

Overly Simplified Question

A question that is made too simple, ignoring complexities or nuances, potentially leading to incomplete or misleading answers.

Interviewer as Choreographer

A concept where the interviewer skillfully guides and controls the flow of the interview, akin to a choreographer designing a dance.

Interviewer as Director

In research, this concept suggests that the interviewer guides the direction and flow of an interview, much like a director controls a film or play.