4MA1/1FR Jan 2021, Question 11: Drawing Straight-Line Graphs
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 3 marks
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The question, in short
On the given grid, plot the straight-line graph of y = 3 − 2x for x values between −2 and 3.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1Work out y = 3 − 2x for each x from −2 to 3
- 2Points: (−2, 7), (−1, 5), (0, 3), (1, 1), (2, −1), (3, −3)
- 3Plot these points on the grid
- 4Join them with a ruler: a straight line from (−2, 7) to (3, −3)
AnswerA straight line through (−2, 7), (−1, 5), (0, 3), (1, 1), (2, −1), (3, −3)
Stuck on a step? Read the free lesson: Drawing Straight-Line Graphs
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