Frequent Questions about our Solver

The problem

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Hello! I was on which situations I would use a solid line versus a separated line and which direction to shade.

Answer provided by our tutors

You use solid line when there is sign, if you only have < , then you use the

broken line.

The easiest way is to substitute (0,0) for x and y - this gives you 0<3 which is true. This means that point (0,0) has to

be in the shaded part

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