awesomeness123
Determine the type of boundary line and shading for the graph of the inequality -3x + y > 6.
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awesomeness123
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@Hero
awesomeness123
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Dashed line with shading on the side that includes the origin.
Solid line with shading on the side that does not include the origin.
Dashed line with shading on the side that does not include the origin.
Solid line with shading on the side that includes the origin.
awesomeness123
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I know its a solid line but i dont know how to figure out if it includes the origin
Hero
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Now why do you think it is a solid line?
awesomeness123
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whoops! meant i know its dashed sorry
Hero
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Okay, so I helped you eliminate two of the answers.
awesomeness123
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but how do I figure out if it includes the origin
Hero
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By substituting the point (x,y) = (0,0) into y > 6 + 3x:
0 > 6 + 3(0)
Finish the rest
awesomeness123
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0>6
awesomeness123
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so it includes the origin
?
Hero
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Now is 0 > 6 true or false?
awesomeness123
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false so it doesnt include
awesomeness123
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yes! thanks so much!!
Hero
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Easy stuff bro