EM-1441

Position vectors

E Math · Secondary 3 · Medium · Position vectors

Relative to origin O, the position vectors are

\vec{OA} = 2\mathbf{i} + 3\mathbf{j}

and

\vec{OB} = -\mathbf{i} + 5\mathbf{j}

. What is the vector

\vec{BA}

?

$3\mathbf{i} - 2\mathbf{j}$
$-3\mathbf{i} + 2\mathbf{j}$
$\mathbf{i} + 8\mathbf{j}$
$-\mathbf{i} - 2\mathbf{j}$

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