CSEC Additional Mathematics · 2019 · Paper 2 · Question 3(b)(i)
Two vectors p and q are such that p = 8i + 2j and q = i - 4j.
Calculate p·q.
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Practise this questionOther parts of this question
- 3(a)(i)Calculate the radius of the circle.[2 marks]
- 3(a)(ii)Write the equation of the circle in the form x² + y² + 2fx + 2gy + c = 0.[2 marks]
- 3(a)(iii)Determine the equation of the tangent to the circle at the point (4, 3).[3 marks]
- 3(b)(ii)State the angle between the two vectors p and q.[1 mark]
- 3(c)Find the unit vector in the direction of a.[2 marks]
More practice: the rest of this paper · more Scalar (Dot) Product of Two Vectors questions · all CSEC Additional Mathematics past papers