Mathematics · May / June 2024 · Paper 21 · Question 18
0580
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The question as text
– 1 – 2 – 3 – 0.5 – 1.5 – 2.5 – 2 1 2 3 4 – 1 0.5 1.5 1 0 x y – 3 5 6 7 8 The diagram shows the graph of y x x 4 2 3 2 = + - for . x 3 1 5 G G - . By drawing a suitable straight line, solve the equation x x x 4 2 2 3 2 + - = for . x 3 1 5 G G - . x = or x = [3]
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y = 2x ruled x = –0.5 to –0.55 x = 0.85 to 0.9 [5]
B1 B2 B1 for –0.5 to –0.55
B1 for 0.85 to 0.9
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