Solve the following inequalities graphically in two-dimensional plane 3y-5x< 30.
Solve the following inequalities graphically in two-dimensional plane 3y-5x< 30.
We draw the graph of the equation
3y-5x = 30. ...(i)
Putting x' - 0, y - 10, therefore the point on the y-axis is (0,10).
The point on the j-axis is (-6,0). AB is the graph of (i). Putting x = 0, y = 0 in the given inequality, we have 3(0) - 5(0) < 30 or 0 - 0 < 30 or 0 < 30, which is true.
Hence, origin lies in the half-plane region I.
Clearly, no point on the line satisfies the given inequality.
Hence, the shaded region I excluding the points on the line is the solution region of the inequality.
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