4MA1/2F Jun 2019, Question 12: Drawing Straight-Line Graphs
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 3 marks
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The question, in short
On the given grid, plot the straight-line graph of y = 3x − 1 for x values from −2 to 3.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1x = −2, −1, 0, 1, 2, 3
- 2y = 3x − 1 gives y = −7, −4, −1, 2, 5, 8
- 3Plot (−2, −7), (−1, −4), (0, −1), (1, 2), (2, 5), (3, 8)
- 4Join with a ruler from x = −2 to x = 3
AnswerA straight line from (−2, −7) to (3, 8), passing through (−1, −4), (0, −1), (1, 2) and (2, 5)
Stuck on a step? Read the free lesson: Drawing Straight-Line Graphs
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