Mathematics 0580 · IGCSE · Vector geometry

Vector geometry — practice question

(a)[3]

For $\left|\left(\begin{array}{c}9m \\ 40m\end{array}\right)\right| = \frac{205}{2}$, determine the two possible values of $m$.

(b(i)(a))[1]

Find $\overrightarrow{AC}$, expressed in terms of $\mathbf{a}$ and/or $\mathbf{c}$.

(b(i)(b))[1]

Find $\overrightarrow{CP}$, in terms of $\mathbf{a}$ and/or $\mathbf{c}$.

(b(i)(c))[1]

Find $\overrightarrow{OP}$, in terms of $\mathbf{a}$ and/or $\mathbf{c}$.

(b(ii))[2]

Determine the position vector of $Q$.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: The two values are $2.5$ and $-2.5$.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI