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  2. Topic
    Mathematics
  3. Study Set
    College Algebra in Context
  4. Exam
    Exam 7: Systems of Equations and Matrices
  5. Question
    Solve for X\[\left| \begin{array} { l l } x & 3 \\ 2 & 1 \end{array} \right| = 3\]
Solved

Solve for X ∣x321∣=3\left| \begin{array} { l l } x & 3 \\2 & 1\end{array} \right| = 3​x2​31​​=3

Question 18

Question 18

Multiple Choice

Solve for x.
- ∣x321∣=3\left| \begin{array} { l l } x & 3 \\2 & 1\end{array} \right| = 3​x2​31​​=3


A) −5- 5−5
B) 1
C) 9
D) 3

Correct Answer:

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