A-Level MathematicsYear 2018Q4
page 04 MARKS 4. The point K (8, −5) lies on the circle with equation x y x y + − − − = 2 2 12 6 23 0. K (8, −5) x y x y + − − − = 2 2 12 6 23 0 Find the equation of the tangent to the circle at K. 5. A (−3, 4, −7), B (5, t, 5) and C (7, 9, 8) are collinear. (a) State the ratio in which B divides AC. (b) State the value of t. 6. Find the value of log log − 5 5 1 250 8 3 . 4 1 1 3
Paper Source:NH_Mathematics_all_2018.pdf
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Exam Specification Info
This question is part of the UK A-Level Mathematics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectMathematics
Official MarksVariable (2–6 marks)