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Mathematics 60 Online
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)

OpenStudy (campbell_st):

have you plotted the points on the number plane..?

OpenStudy (campbell_st):

if not, here is a number plane you can use https://www.desmos.com/calculator

OpenStudy (anonymous):

no

OpenStudy (campbell_st):

well that should be your 1st step... and you'll find the 4th vertex

OpenStudy (anonymous):

how do i place a dot on it

OpenStudy (campbell_st):

in each box just type (-2, 1) then press enter and you'll see the point appear

OpenStudy (anonymous):

it has a triangle with a !

OpenStudy (anonymous):

how to enter it right

OpenStudy (campbell_st):

well 3 points will form a triangle, you need a rectangle, so after looking at what you have plotted, where should the 4th point go. or enter each choice for the 4th vertex and plot it... then decide if it creates a rectangle

OpenStudy (anonymous):

OpenStudy (anonymous):

no look

OpenStudy (campbell_st):

use brackets (-2, 1) like that

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

thanks a lot

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