Use Matrices to Solve the System of Equations

question 20

Multiple Choice

Use matrices to solve the system of equations. If the system has no solution, so indicate.

• A) ( 4, 4 )
• B) ( 4, 2 )
• C) ( 5, 2 )
• D) ( 5, 4 )
• E) No solution.

---

Definitions:

Opioids

A class of drugs that include the illegal drug heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription, used primarily for pain relief and anesthetic purposes.

Cross-Tolerance

A phenomenon in which tolerance to the effects of a certain drug produces tolerance to another drug, usually because both drugs share similar mechanisms of action.

Drug Group

A classification of medications or compounds with similar chemical structures, mechanisms of action, therapeutic uses, or side effects.

Addiction

A complex brain disorder characterized by escalation, compulsive drug taking, and relapse; called substance use disorder per the DSM-5.