9-1 GCSE lesson finding the gradient and then equation of a line from two coordinates. Starter looks at finding if a coordinate is on,above or below a given line. Worked examples on finding a gradient ...
A straight line drawn on a grid can be described by a rule connecting the x and y coordinates of every point on the line. This is known as the equation of the line. The equation of any straight line ...
Interactive macro-enabled MS-Excel spreadsheet. Contents: Read or plot (x, y) coordinates in the 1ˢᵗ quadrant or all 4 quadrants. Find the equation of a line parallel to the axes or main diagonal.
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