Find a solution to the linear inequality. y ≥ 4x - 5
Solution:
The solution to the linear inequality y ≥ 4x - 5 is determined with help of the graph which is shown below:
The line plotted in the above graph is y = 4x - 5.
The inequality y ≥ 4x - 5 is determined by taking a point on either side of the graph and testing the inequality.
Let us take a point above the line say (2, 15).
Substituting the value of x we get y = 4(2) - 5 = 3.
Now y coordinate 15 is greater than 3.
Therefore we see that the inequality is satisfied above the line y = 4x - 5.
The line y = 4x - 5 is also included in the inequality.
Let us take a point below the graph (4, 5).
Substituting the value of x = 4 in the equation we get y = 4(4) - 5 = 11 which is not greater than y = 5
Hence the inequality is not represented by the area above the line y = 4x - 5.
Find a solution to the linear inequality. y ≥ 4x - 5
Summary:
The solution to the linear inequality y ≥ 4x - 5 is the area above the line y = 4x - 5.
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