Math Problem Statement
Use the draggable points to graph y=−2|x−3|+5
Solution
To graph the equation , you should follow these steps:
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Understand the structure of the equation:
- represents the basic absolute value function, which is a V-shaped graph with the vertex at .
- The factor of reflects and stretches the graph vertically by a factor of 2, making the V open downward and steeper.
- The at the end shifts the entire graph up by 5 units.
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Determine the vertex: The vertex of the graph is at , because the equation is of the form .
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Plot key points:
- For , , so plot the point .
- For , calculate , so plot .
- For , calculate , so plot .
- As moves further away from 3, the absolute value term increases, and the graph continues downward with a slope of to the left and right of the vertex.
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Sketch the V-shape: The graph should form a V with the vertex at , opening downwards and stretching steeper due to the factor of .
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Math Problem Analysis
Mathematical Concepts
Graphing Absolute Value Functions
Transformations of Functions
Formulas
y = -2|x - 3| + 5
Theorems
Vertex Form of Absolute Value Functions
Reflection and Stretching of Graphs
Suitable Grade Level
Grades 8-10