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Mathematics 7 Online
OpenStudy (heart_offire):

Which of the statements is true about the graph for the system of inequalities? y ≤-2x y ≥ 3 A) Area C should be the shaded region. B) The graph of the boundary line for y ≥ 3 should be dashed. C) The equations y < -2x should be an uphill line, not a downhill line. D) Area A should be the shaded region instead of the region shaded on the graph. http://usatestprep.com/modules/gallery/files/9/947/947.png @anthonyym

OpenStudy (anthonyym):

What do you think the answer is?

OpenStudy (heart_offire):

well its not b

OpenStudy (anthonyym):

You're right it's not b.

OpenStudy (heart_offire):

maybe D

OpenStudy (anthonyym):

Yes D is right.

OpenStudy (anthonyym):

That's because it says y ≤-2x, the "less than" means it's the area below y=2x, which would be region A and B. y ≥ 3: the "greater than" means it's the region above, so region A. You have region A and B for first equation, and region A for second equation. What satisfies both is region A, so it's region A.

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