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OpenStudy (anonymous):
Three vertices of a rectangle are (–2, 1), (–2, –3), and (4, –3).
What are the coordinates of the fourth corner point of the rectangle?
A.
(–2, 4)
B.
(–3, 4)
C.
(4, 1)
D.
(4, 3)
zepdrix (zepdrix):
Maybe draw it out? :)
zepdrix (zepdrix):
gonna be tough on this touchpad -_- grrr
OpenStudy (anonymous):
Haha.
zepdrix (zepdrix):
|dw:1453745824448:dw|
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OpenStudy (anonymous):
Good job lol :D
zepdrix (zepdrix):
|dw:1453745916540:dw|can you visualize where that last vertex should be?
OpenStudy (anonymous):
Yes, on the top right.
OpenStudy (anonymous):
Right? I'm really bad at math sorry. xD
zepdrix (zepdrix):
Well yes, but what point is that?
Can you sort of tell based on the other points?
It should have the same `height/y-coodinate` as the point on the far left, ya?
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OpenStudy (anonymous):
I don't get it ;-;
zepdrix (zepdrix):
|dw:1453746122993:dw|it needs to be at the same height as this point,
so they share this y-coordinate