Esmy
Graph the linear inequality.
x + 2y = 5
I don't have a graphing calculator -_-
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AravindG
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ya this one is an easy task , let me guide you
first divide the whole equation by 5
AravindG
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@Esmy what did you get?
Esmy
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x - 2y=5
x=2y+5
-3x+2y=7
2y=3x+7
3x=2y-7
2y-7
x--------
3
2y=5= 2y-7
------
3
Esmy
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D: ?
Esmy
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but I don't have a graphing calculator so I don't know how it looks what part is shaded?
amorfide
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okay rearrange this equation to get 2y=
2y=-x+5
then you will sub in x values
x -2 -1 0 1 2 3
2y 7 6 5 4 3 2
so to get y you divide all x values by 2 this gives
x -1 -1/2 0 1/2 1 3/2
y 7/2 3 5/2 2 3/2 1
Esmy
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Can you draw how it would look :/ sry
amorfide
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|dw:1348393679154:dw|
something similar to this i believe
amorfide
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it should go through all points but i find it hard to draw on pc
lambchamps
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you should have test points to know where the shaded area is.
Esmy
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|dw:1348393961736:dw| Yeah it looks like that and then its shaded right?
amorfide
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she give me an equal sign not an inequality
Esmy
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my picture is ugly but you get what I mean lol
sudharsa
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|dw:1348394077096:dw|
sudharsa
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this would be i think so
Esmy
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Esmy
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Like that one right :D
lambchamps
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question, can someone remind me how to know the shaded part?
Esmy
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The dark grey is the shaded :o
AravindG
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@Esmy did you try what i said?
lambchamps
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how did you get it?
Esmy
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the picture ? yeah I did I tired it...
AravindG
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nope did u try dividing whole equation by y 5?
sudharsa
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aravind that is good idea pls get new idea pls
Esmy
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I got x= -6 and y= -5.5
Esmy
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but the pic I posted is most likely how the it should look...