Math Problem Statement
where to shade
Solution
To shade the regions for the absolute value inequalities, you'll need to follow these steps:
- Plot the boundary: The boundary of each inequality is derived by converting the inequality into an equation. For example, for , first plot the equation .
- Identify the region: Based on whether the inequality is "greater than" or "less than", shade the appropriate region.
- For or , shade the region above the boundary.
- For or , shade the region below the boundary.
Let’s go through each inequality one by one and determine the correct shading:
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- Plot the V-shaped graph of , with the vertex at .
- Since is greater than the boundary, shade above the V-shape.
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- Plot , an upside-down V-shape with a vertex at .
- Since , shade on and above the boundary.
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- Plot , another upside-down V-shape with vertex at .
- Since , shade on and below the boundary.
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- Plot , with a V-shape and vertex at .
- Since , shade below the V-shape.
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- Plot , with a vertex at .
- Since , shade on and above the boundary.
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- Plot , an upside-down V-shape with vertex at .
- Since , shade on and below the boundary.
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- Plot , a V-shape with vertex at .
- Since , shade above the boundary.
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- Plot , a V-shape with vertex at .
- Since , shade below the boundary.
Would you like detailed instructions for graphing and shading any specific inequality?
Here are 5 related questions to explore further:
- How do absolute value inequalities affect the shape of the graph?
- What happens when you multiply the absolute value by a negative constant?
- Can you explain why the vertex of the absolute value graph shifts horizontally?
- How do you test a point to verify if it satisfies the inequality?
- How can these graphs be used to model real-world situations involving distance or deviations?
Tip: For inequalities with or , don't forget to include the boundary line in the shaded region!
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Math Problem Analysis
Mathematical Concepts
Absolute Value Inequalities
Graphing Inequalities
Piecewise Functions
Formulas
|x| = x when x >= 0 and |x| = -x when x < 0
y = a|x - h| + k, vertex form of absolute value equations
Theorems
Absolute Value Inequality Theorem
Inequality rules: y > boundary means shade above, y < boundary means shade below
Suitable Grade Level
Grades 9-12