What is the perpendicular distance of the point from the plane ?

Answer and explanation

Correct answer: C.

Numerator: .
  1. Step 1: The perpendicular distance of point from the plane is .
  2. Step 2: Substitute and plane coefficients :
  3. Step 3: Denominator: . Compute distance: .
Answer
.
Why not the others: subtracts in numerator (); uses denominator ; makes an arithmetic addition error.

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