Shape and Space 8
3 marks · NormalGiven , calculate the column vector for and write your answer.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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Also accept: (-6,15); [−6; 15]
Common mistakes: Not multiplying both components; Sign errors
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Marking points
M1 · 1 mark · Correctly multiplies the x-component: 2 × (−3) = −6
M2 · 1 mark · Correctly multiplies the y-component: (−5) × (−3) = 15
A1 · 1 mark · Answer as a column vector:
Worked solution