Edexcel Gcse Mathematics (Linear) - Solvng Simultaneous Equations Graphically Page 3
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1
2
3
4
52.
The straight line y + 2x = 5 has been drawn on the grid.
y
8
6
4
2
–3
–2
–1
3
O
1
2
4 x
–2
–4
(a) Complete this table of values for y = 2x – 1
–1
x
0
1
2
3
4
–1
y
3
5
(2)
(b) On the grid, draw the graph of y = 2x – 1
(2)
(c) Use your diagram to solve the simultaneous equations
y + 2x = 5
y = 2x – 1
x = ....................................
y = ....................................
(2)
(Total 6 marks)
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