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9 Terms

1

To plot a graph

Line, arrows, label with rule

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2

Graph using gradient and y-int

Plot y-int, from that point do rise/run using gradient, always run right, positive gradient go up negative gradient go down

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3

Gradient with two points formula

y2-y1/x2-x1

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4

Finding gradient of a graph

Start at left point, positive up negative down

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5

Gradient of a horizontal line

0

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6

Gradient of a vertical line

undefined

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7

Given the gradient and one other point on the line

Substitute the gradient into gradient intercept form, Substitute the x and y values from the coordinate to solve for c

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8

Finding the equation of a line from two points

Find the gradient of the line using the two point gradient formula, substitute in the gradient and one set of points into y = mx+c, solve for c

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9

Midpoint formula

x1+x2/2, y1+y2/2

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