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, 0)

D.
(–1, –1)

Answer 1

I actually plotted the coordinates. The fourth point that could be connected with (-1,0) (1,0) and (1,-1) to form a triangle is (-1,-1) Choice D.

x       y
-1     0
 1     0
 1    -1
-1    -1

Answer 2

Answer: the answer is D.