Flashcards

Coordinate Geometry

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Question

What is the distance formula for finding the distance between two points P(x1,y1)P(x_1, y_1) and Q(x2,y2)Q(x_2, y_2)?

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Answer

The distance PQPQ is given by the formula: PQ=(x2−x1)2+(y2−y1)2PQ = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} This formula is derived from the Pythagoras theorem and calculates the length of the line segment connecting the two points.

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