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OpenStudy (anonymous):
OpenStudy (ash2326):
It's already done :)
OpenStudy (anonymous):
you have to do shading
OpenStudy (ash2326):
Ok, Then first we'll plot the equation :
\[2.75y=x+6\]
put y=0, you'll get x=-6
put x=0, y=6/2.75=2.18
Do you get this @hali12 ?
OpenStudy (anonymous):
no
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OpenStudy (ash2326):
We have the equation
\[2.75y=x+6\]
put y=0
\[0=x+6\]
so
\[x=-6\]
Do you get this?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
is that the anwser?
OpenStudy (ash2326):
no, we have just begun.
now put x=0, and find the value of y
OpenStudy (anonymous):
oh
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OpenStudy (anonymous):
then what? idk how tp do that
OpenStudy (ash2326):
\[2.75y=0+6\]
find the value oy, divide both sides by 2.75.
What would you get?
OpenStudy (anonymous):
-2.18
OpenStudy (ash2326):
\[y=6\div 2.75\]
OpenStudy (anonymous):
its -6
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OpenStudy (ash2326):
It's +6
\[2.75y=x+6\]
x=0
\[2.75y=6\]
OpenStudy (anonymous):
oh okay thanks
OpenStudy (ash2326):
Now we got two points
A ( -6, 0)
B(0, 2.18)
Let's mark this on graph and then make the line|dw:1363625931821:dw|
Now we need to shade the portion of
\[y<\frac{x+6}{2.75}\]
Are you here?
OpenStudy (anonymous):
ya
OpenStudy (ash2326):
Let's check if (0, 0 ) is part of the solution
\[0<\frac{0+6}{2.75}\]
\[0< 6/2.75\]
This is true so right side potion of the line is our region.|dw:1363626216180:dw|