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Mathematics 33 Online
OpenStudy (anonymous):

A scale drawing of a storage box on a coordinate grid shows a square with the points (-6, 8) and (-2, 5) as the locations of two adjacent vertices. Which pair of coordinate points could represent the other two vertices?

OpenStudy (experimentx):

you do you have a graph paper ... or some kind of graphing software??

OpenStudy (anonymous):

yeah, i have graph paper :)

OpenStudy (experimentx):

plot those points.

OpenStudy (anonymous):

I did

OpenStudy (experimentx):

|dw:1341240462736:dw|

OpenStudy (anonymous):

ok got it.... now how do i find the other two vertices?

OpenStudy (experimentx):

get a set square ... in which level do you study??

OpenStudy (anonymous):

Sir i understand i need a square but i need to find two other vertices.... if i knew how to get them i wouldn't of asked. (-8, 4) and (-4, 2) (-5, 1) and (-9, 4) (1, 9) and (-9, 4) (-4, 1) and (-8, 4) theses are my choices^ im in high school

OpenStudy (experimentx):

x1, y1 is any given point.

OpenStudy (experimentx):

solve these two equations (x-x1)^2 + (y - y1)^2 = distance between given two points (y - y1)/(x - x1) = -1/slope of given two points.

OpenStudy (anonymous):

im in 9th grade!

OpenStudy (experimentx):

find the slope and distance from given two points. since you are given points, try pluggin those values in (x,y)

OpenStudy (anonymous):

can you work it out and show me what answer you got so i know how to do it

OpenStudy (experimentx):

find the distance and slope ... first.

OpenStudy (anonymous):

idk how to DO it!

OpenStudy (experimentx):

okay ... you don't know how to find distance between two points and their slope. try pluggin those ponts in your graph and see if it makes square or not.

OpenStudy (anonymous):

ok i tried that i believe its the 2nd one?

OpenStudy (experimentx):

you sure?? see if the distance are equal or not and also check that if the lines are perpendicular or not

OpenStudy (anonymous):

oh the third one :)

OpenStudy (experimentx):

you sure this time??

OpenStudy (anonymous):

huh i believe so...... am i wrong?

OpenStudy (experimentx):

no ... don't you have any graphing software?? http://www.geogebra.org/cms/ try this one

OpenStudy (experimentx):

i don't know ... i don't have graph paper.

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