Graphs Flashcards by Evan Rackham

Q

Midpoint of a line

A

([X1 + X2] /2 , [Y1 + Y2] /2 )

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Q

Gradient of a perpendicular line

A

M = (y2 - y1) / (x2 - x1)

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Q

Equation of a linear graph

A

y = mx + c

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Q

Equation of a circle

A

x2 + y2 =r2

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