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Mathematics 12 Online
bella2025:

help

bella2025:

bella2025:

@smokeybrown

SmokeyBrown:

Which graph represents the system of inequalities y >= -1/3x + 2 y >= 3x Well, the lines would look something like the drawing when plotted And since the inequalities say that y is greater than or equal to the value defined by the lines, the shaded portion should be above both of the solid lines|dw:1638998983574:dw|

bella2025:

so d

SmokeyBrown:

Ah, it looks like all of the answer choices have the same shaped lines, so my drawing wouldn't be that helpful. The key to keep in mind in this case is that the inequality uses the "greater-than-or-equal" sign, which looks like > stacked on top of = This indicates that the line in the graph will be solid, as opposed to dashed. So, you should choose the option that includes 2 solid lines (it would not be D, sorry!)

bella2025:

a

SmokeyBrown:

D would be the right answer if the equations were y >= -1/3x + 2 y > 3x In this case, the correct answer would be A like you said, nicely done

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