Math Problem Statement
Working and answers
Solution
Let's break down and solve each inequality from your uploaded image.
a)
To solve for , we can isolate it:
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Move to one side: This simplifies to:
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Subtract 2 from both sides:
Thus, the inequality becomes:
Now, we can graph this inequality. The line is a straight line, and the region above this line (because the inequality is ) will be the solution.
b)
To solve for , follow these steps:
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Move all terms involving to one side: Simplify:
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Now, divide both sides by 2 to isolate : Simplify further:
This inequality represents the region above and including the line .
Graphing:
For both inequalities, we graph the respective lines (in the case of a linear inequality) and shade the appropriate region.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Inequalities
Graphing Inequalities
Formulas
Standard form of linear equation: Ax + By = C
Slope-intercept form: y = mx + b
Theorems
Properties of inequalities
Graphing inequalities in two variables
Suitable Grade Level
Grades 8-10
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