Three vertices of a square are (–1, 3), (–1, –1), and (3, 3).

What is the fourth vertex of the square?

A.
(–1, –3)

B.
(1, 3)

C.
(3, 0)

D.
(3, –1)

Question

Three vertices of a square are (–1, 3), (–1, –1), and (3, 3). 

What is the fourth vertex of the square?
 
 A.
(–1, –3)
 
 B.
(1, 3)
 
 C.
(3, 0)
 
 D.
(3, –1)

vespersaviour · Answer

(-1, 3) is in quadrant 2
(-1, -1) is in quadrant 3
(3, 3) is in quadrant 1
(?, ?) The unknown is in quadrant four.
Now from that what is your guess?

yinshy · Answer

D

vespersaviour · Answer

Correct!

vespersaviour · Answer

on questions like these, remember 
Q1=positive positive (top right)
Q2=negative positive (top left)
Q3-negative negative (bottom left)
Q4=positive negative (bottom right)