Edexcel Olevel Math B revision notes

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Lesson

Lesson-4.1.7- Rectangular Cartesian co-ordinates.

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Lesson-4.1.6- Variation, direct and indirect proportion.Previous Lesson-4.1.8- Recognise that equations of the form y = mx + c are straight???line graphs with gradient m and intercept on the y-axis at the point (0, c).Next