Post Utme Lautech 2021 Mathematics Question 33

Practice objective / multiple choice question 33 from the 2021 Post Utme Lautech Mathematics examination.

Post Utme Lautech 2021 Mathematics Objective / Multiple Choice
Question 33 POST_UTME_LAUTECH • 2021 • MATHEMATICS • objective

Solve the system of equations using matrices: \begin{align*} x + y + z &= 6 \ 2x + 3y + z &= 11 \ x + 2y + 3z &= 7 \end{align*}

Answer Options

Correct Answer A. \begin{pmatrix} x \ y \ z \end{pmatrix} = \begin{pmatrix} 1 \ 2 \ 3 \end{pmatrix}
B. \begin{pmatrix} x \ y \ z \end{pmatrix} = \begin{pmatrix} 2 \ 1 \ 3 \end{pmatrix}
C. \begin{pmatrix} x \ y \ z \end{pmatrix} = \begin{pmatrix} 3 \ 2 \ 1 \end{pmatrix}
D. \begin{pmatrix} x \ y \ z \end{pmatrix} = \begin{pmatrix} 1 \ 3 \ 2 \end{pmatrix}
Correct Answer
A
Correct Option:
\begin{pmatrix} x \ y \ z \end{pmatrix} = \begin{pmatrix} 1 \ 2 \ 3 \end{pmatrix}

About This Question

This is Post Utme Lautech 2021 Mathematics Question 33. It is one of the objective questions from the 2021 Post Utme Lautech Mathematics examination.

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