4MA1/2H Jan 2023, Question 6: Length of a Line Segment
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 3 marks
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The question, in short
Points A(6, 4) and B(17, j) have midpoint (k, 15). Find the constants j and k.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1(6 + 17) / 2 = k
- 223 / 2 = 11.5
- 3(4 + j) / 2 = 15
- 44 + j = 30
- 5j = 26
Answerj = 26, k = 11.5
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