coordinate geometry Flashcards by Nana Oppong

Q

midpoint

A

x1+x2/2 , y1+y2/2

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Q

distance between two points

A

r= root (x2-x1) + (y2-y1)

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Q

equation of a circle

A

x^2+y^2 = r^2

c = (0,0)
radius = r

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Q

how do you determine the intersects of a line and circle

A

solve simultaneously

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