Edexcel Gcse Mathematics (Linear) - Inequalities Regions Page 4
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83.
The graphs of the straight lines with equations
3y + 2x = 12
and
y = x – 1
have been drawn on the grid.
y
8
6
y = x – 1
4
2
3 + 2 = 12
y
x
x
O
2
4
6
8
y < x – 1
3y + 2x > 12
x < 6
x and y are integers.
On the grid, mark with a cross (×), each of the four points which satisfies all
3 inequalities.
(Total 3 marks)
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