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The distance of the point P(4, -3) from the origin is:

  • A.1
  • B.5
  • C.7
  • D.25

Answer: B

\[ d = \sqrt{x^{2} + y^{2}} = \sqrt{16 + 9} = \sqrt{25} = 5 \]

The sign of the coordinate disappears in the squaring.

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