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Chapter 3: Q41. (page 146)

Solve the inequality. Graph your solution.

z7.2>-3.4

Short Answer

Expert verified

The solution for the inequality is z鈮�20.4.

Step by step solution

01

Step -1 - Apply the concept of Linear inequalities

In this type of inequality, Simply use the property of addition or subtraction of suitable number on both Left Hand Side & Right Hand Sideto maintain the inequality and also the variable & numbers should be at the different sides in the equation.

02

Step -2 – Find the value of z by solving the inequality

Since, the equality is z7.2>-3.4.

Here, to simplify this inequality, multiplying 7.2to both side on the above

z7.2>鈭�3.4z7.2脳7.2>鈭�3.4脳7.2z鈮�20.4

Graphical Interpretation

Following is the graph of the expression z鈮�20.4 to get the proper graphical representation to know the points.

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