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You look at the change in the vertical distance and divide that by the change in the horizontal distance. This is known as the rise over the run. So if the line goes 4 units and over 2 units, the slope or gradient is 4/2=2. Horizontal lines have slope 0 since the rise is 0

It is my2-y1/x2-x1 the points are (9,7) (6,5) x1 y1 x2 y2 m5-7/6-9 m= -3/-3 m-0 That is the gradient

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15y ago

What else can I help you with?