Question 10 — IGCSE 0580 May/June 2023 Paper 43
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Numbers · The four rules. Worth 12 marks.
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Question text
10 The table shows some values for y = 2x-3.
x -2 -1 0 0.5 1 1.5 2 2.5
y -2.75 -1.58 -0.17 1 2.66
(a) Complete the table. [3]
(b) On the grid, draw the graph of y = 2x-3 for -2 G x G 2.5.
y
3
2
1
– 2 – 1 0 1 2 x
– 1
– 2
– 3
[4]
(c) Use your graph to solve the equation 2x-3 = 2.
x = ................................................ [1]
(d) By drawing a suitable straight line, solve the equation 2x-x-1.5 = 0.
x = ......................... or x = ......................... [4]
© UCLES 2023 0580/43/M/J/23
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