Find the distance between and .

Answer and explanation

Correct answer: A. 5

  1. Step 1: .
  2. Step 2: .
Answer
5.
Why not the others: 7: it adds the differences of coordinates. 25: it forgets the square root. 1: it subtracts the coordinate differences.

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Find the distance between P(0, 3) and… | HKDSE (Hong Kong)