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In the XYZ coordinate system, what is an equation of the set of all points in space equidistant from points A(1, 1, 3) and B(1, 2, 3)?

A. x=1
B. Y=1/2
C. y=1
D. y=3/2
E. z=3

1 Answer

4 votes

Answer:

D

Step-by-step explanation:

Note that the X and Z are the same, so it must be Y=some value.

The plane that works must pass through the midpoint, or (1, 3/2, 3), giving D or y=3/2.

User AstroBen
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