Solve the given inequality

Question:

Solve the given inequality $y-2 \leq 3 x$ graphically in two - dimensional plane.

Solution:

The graphical representation of $y-2 \leq 3 x$ is given by blue line in the figure below.

This lines divides $x-y$ plane into two parts.

Select a point (not on the line), which lies on one of the two parts, to determine whether the point satisfies the given inequality or not.

We select the point as $(0,0)$

It is observed that $0-2 \leq 3 \times 0$ or $-2 \leq 0$ which is true.

Therefore, the solution for the given inequality including the points on the line.

This can be represented as follows,

 

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