4MA1/2HR Jun 2020, Question 12: The Gradient of a Straight Line
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 2 marks
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The question, in short
Find the gradient of the straight line whose equation is 5x + 2y = 7.
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Solution · 2 marks
- 15x + 2y = 7
- 22y = 7 − 5x
- 3y = (7 − 5x)/2
- 4y = 3.5 − 2.5x
- 5−2.5
Answer−2.5
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