Mathematics · Oct / Nov 2023 · Paper 21 · Question 15
0580
As printed in the paper
The question as text
0 - 1 - 1 1 2 3 4 5 6 7 x - 2 - 3 - 4 - 5 1 2 3 4 5 6 7 8 - 2 - 3 y By shading the unwanted regions of the grid, draw and label the region R which satisfies these inequalities. y 1 2 x 2 G y x 2 H + [5]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
B1 R B1 B1 [5]
B1 for y = 1 dashed line
B1 for x = 2 solid line
B1 for y = x + 2 solid line
B2 for region identified satisfying all 3 inequalities
or B1 for region identified satisfying only 2 of these inequalities with y = 1, x = 2 and y = x + 2 all drawn
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