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12)

A straight line is drawn on the centimetre grid.

Fay assumes that the scale is 1 cm represents 1 unit.

a) Use her assumption to work out the gradient of the line.

a) Use her assumption to work out the gradient of the line.

**[1 mark]**

b)

In fact, the scale is 1 cm represents 2 units.

Which statement is correct?

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**one**box.

**[1 mark]**