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17-01-2020
Mathematics

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What is an expression for the distance between the origin and a point P (x,y) ?

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marcthemathtutor marcthemathtutor

17-01-2020

Answer:

D = √ (x² + y²)

Step-by-step explanation:

see attached pic for reference:

in our case we are told that the points are

(0,0) and P(x,y)

substituting these into the given equation

distance D, = √ [ (x - 0)² + (y-0)²

D = √ (x² + y²)

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