Question

If P(2,1) and Q(8,1) are two of the vertices of a rectangle. which of the following cannot be another of the vertices? Show your work.

A. (2,8)
B. (8,2)
C. (2,-8)
D. (-2,8)

Answer 1

D. (-2,8)

Step-by-step explanation:

The other vertices should be (2, x) and (8, x), where
`x \\eq 1`. Then, the point that cannot be a vertix is (-2, 8). Hence, the right answer is D.