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Vectors and matrices — Question 7

QCAA 2024, Paper 1 · 1 mark

Q7 · 2024 · Technology-freeSimple familiar1 mark

QUESTION 7

AA, BB and CC are points in three-dimensional space. If 2AB→=BC→2\overrightarrow{AB}=\overrightarrow{BC}, then
(A)
∣AB→∣|\overrightarrow{AB}| is twice the value of ∣BC→∣|\overrightarrow{BC}|.
(B)
AB→\overrightarrow{AB} and BC→\overrightarrow{BC} are perpendicular.
(C)
only one plane contains AA, BB and CC.
(D)
a straight line passes through AA, BB and CC.
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