Find the perpendicular distance from the point to the plane .
Answer and explanation
Correct answer: C.
- Step 1: The perpendicular distance from a point to a plane is given by .
- Step 2: Substitute and : the numerator is . The denominator is . Hence .
Answer
.
Why not the others: The value forgets the plane constant in the numerator; the value uses only the plane constant; the value makes an arithmetic error evaluating .
Practise more Vectors in 3D Space and Complex Numbers.
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