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Mathematics 7 Online
xXMarcelieXx:

help please with number 1

xXMarcelieXx:

http://prnt.sc/e6n9y2

xXMarcelieXx:

this is what i did but why is the answer (4,0,3).. where did the 0 come from |dw:1486665877244:dw|

AMQ:

Moving right on the x-axis is positive, and moving left is negative. Moving up on the y-axis is positive, and moving down is negative, so what should the coordinates be since we moved right 4 units and down 3 units?

xXMarcelieXx:

well hmm i know that it would be ( x , y , z ) ( 4, , -3)

xXMarcelieXx:

so y would be 0 since there is no number ?

AMQ:

there are only 2 numbers in an ordered pair.... that means it is (4, -3).

xXMarcelieXx:

oh okay so then why does my answer sheet have 0 in the coordinates

AMQ:

I have no idea.

xXMarcelieXx:

oh okay got ya :)

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