Math Problem Statement
Solution
The problem asks for the coordinates of point after the figure is dilated by a factor of 2, centered at the origin. Here's how to solve it step-by-step:
Step 1: Understanding dilation
A dilation centered at the origin with a factor of scales each point by multiplying its - and -coordinates by . For this question:
Step 2: Original coordinates of point
From the graph, the original coordinates of point are:
Step 3: Apply the dilation formula
Using the dilation formula: Substitute and :
Step 4: New coordinates of
The coordinates of after the dilation are:
Final Answer:
The correct answer is:
Let me know if you'd like additional explanations or have questions!
Related Questions:
- What is the general formula for dilating a point centered at a specific origin?
- How does the scale factor affect the size and position of the figure?
- What happens to a point's coordinates if the scale factor is less than 1?
- How would the coordinates of change if the center of dilation were not the origin?
- Can dilation change the orientation of a shape? Why or why not?
Tip:
Always check the center of dilation when applying a transformation—it determines how each point is scaled and shifted!
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Transformations
Dilations
Formulas
(x', y') = (k * x, k * y)
Theorems
Dilation Theorem
Suitable Grade Level
Grades 8-10