Post Utme Christopher University 2018 Mathematics Question 11

Practice objective / multiple choice question 11 from the 2018 Post Utme Christopher University Mathematics examination.

Post Utme Christopher University 2018 Mathematics Objective / Multiple Choice

Question 11 POST_UTME_CHRISTOPHER_UNIVERSITY • 2018 • MATHEMATICS • objective

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 \end{pmatrix}\). Find the vector ( mathbf{a} cdot mathbf{b} ) using the dot product formula.

Answer Options

A. 4

Correct Answer B. -1

C. 5

D. 7

Correct Answer

Correct Option:

-1

About This Question

This is Post Utme Christopher University 2018 Mathematics Question 11. It is one of the objective questions from the 2018 Post Utme Christopher University Mathematics examination.

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Post Utme Christopher University 2018 Mathematics Question 11

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 \end{pmatrix}\). Find the vector ( mathbf{a} cdot mathbf{b} ) using the dot product formula.

Answer Options

About This Question

Master the Exam!

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 \end{pmatrix}\). Find the vector ( mathbf{a} cdot mathbf{b} ) using the dot product formula.