Chapter 9: Straight Lines
Investigate and interpret the equations of straight lines in other forms such as ax + by = c and (x/a) + (y/b) = 1, and change to the form of y = mx + c, and vice versa
Make connection between the equation, y = mx + c, and the gradient and y-intercept, and hence make generalisation about the equation of a straight line
Investigate and make inference about the relationship between the points on a straight line and the equation of the line
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