Mathematics · Oct / Nov 2020 · Paper 21 · Question 11
0580
As printed in the paper
The question as text
x y 0 (-1, 4) (-1, 1) NOT TO SCALE x 2 = The diagram shows a rectangle with a line of symmetry at x 2 = . Two vertices of the rectangle are at (-1, 1) and (-1, 4). The shaded region is defined by the inequalities a x b G G and c y d G G . Find the values of a, b, c and d. a = b = c = d = [2]
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[a =] –1 [b =] 5 [c =] 1 [d =] 4 [2]
B1 for two or three correct [a =] x ⩾ –1
or SC1 for [b =] x ⩽ 5 [c =] y ⩾ 1 [d =] y ⩽ 4
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