Co-ordinate geometry Flashcards by Amisha Patel

Q

Gradient formula?

A

y2-y1/x2-x1

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Q

Distance formula ?

A

( ( x2-x1) ² + (y2-y1) ² ) ^1/2

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Q

Midpoint formula ?

A

x1 + x2/2 y1 + y2/2

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Q

equation of straight line

A

y - y1 = m(x-x1)

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Q

Formula for a circle ?

A

(x-a) ² + (y-b) ² = r ²

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Q

A

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