What are the coordinates of the fourth point that could be connected with (–1, 0), (1, 0), and (1, –1) to form a rectangle?

A.
(–1, –1)

B.
(0, –1)

C.
(1, 1)

D.
(1, 0)

Question

What are the coordinates of the fourth point that could be connected with (–1, 0), (1, 0), and (1, –1) to form a rectangle?	
 
 A.
(–1, –1)
 
 B.
(0, –1)
 
 C.
(1, 1)
 
 D.
(1, 0)

owllover101 · Answer

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anonymous · Answer

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And you can use this formula for finding the x of forth point that is D. 
$$x_{A}+x_{C}=x_{B}+x_{D}$$
you can use this formula for finding the y of forth point that is D
$$y_{A}+y_{C}=y_{B}+y_{D}$$