The polynomial inequalities are inequalities that can be expressed as a polynomial on one side and 0 on the other side of the inequality. Let us now see how to solve different types of inequalities and how to graph the solution in each case. You can see, y = x + 4 line and the shaded area (in yellow) is where y is less than or equal to x + 4. Let us try some example: This is a graph of a linear inequality: y ≤ x + 4 Shade the region above the line for a "greater than" (y> or y≥) or below the line for a "less than" (yHere are some examples to understand the same: Inequality Use always open bracket at either ∞ or -∞.If the endpoint is not included (i.e., in case of ), use the open brackets '(' or ')'.If the endpoint is included (i.e., in case of ≤ or ≥) use the closed brackets ''.While writing the solution of an inequality in the interval notation, we have to keep the following things in mind. Writing Inequalities in Interval Notation Draw a line from the endpoint that extends to the left side if the variable is lesser than the number.Draw a line from the endpoint that extends to the right side if the variable is greater than the number.
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