Grade 9 Vectors for GCSE Mathematics
Jonathan Robinson
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Grade 9 Vectors for GCSE Mathematics
25 123 просмотра · 5 лет назад
Jonathan Robinson
7,34 тыс. подписчиков
25 123 просмотра · 5 лет назад
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Master one of the most challenging topics in GCSE Higher Maths: Grade 9 vector problems. In this tutorial, we walk through a classic exam-style question involving a triangle and a ratio.
You will learn how to use the vector method to find a ratio along a line by expressing the same vector through two different paths and solving a pair of simultaneous equations.
Key concepts covered:
Expressing vectors in terms of a and b.
Using midpoints and line ratios (e.g., 2:1 splits) to define vector paths.
The "Two-Path" method to equate vectors.
Solving simultaneous equations by comparing coefficients of a and b.
Timestamps:
0:00 - Introduction to the Grade 9 vector problem.
0:46 - Setting up the two paths for vector OQ.
1:21 - Finding the vector for the first path (OM).
2:46 - Finding the vector for the second path (AP).
4:31 - Equating the roots and setting up simultaneous equations.
6:36 - Calculating the final ratio of OQ:QM.
Check out the full lesson and more Grade 9 vector practice here:
https://mr-mathematics.com/grade-9-ve...
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