Math Problem Statement
Solution
The question asks for the coordinates of the image of point after a dilation with center and a scale factor of .
Solution:
The formula for dilation with a center at the origin is given by: where are the original coordinates, is the scale factor, and are the coordinates after dilation.
Given:
- Original point
- Scale factor
We apply the formula:
So, the coordinates of the image of after dilation are:
Would you like to go over more details on this, or have any further questions?
Here are five questions for further practice:
- What are the coordinates of after the same dilation?
- How would you calculate the dilation of point with a different scale factor, say ?
- How does the distance between the points change after dilation by ?
- What would happen to point if the scale factor was negative, say ?
- Can dilation be performed with a center point that is not ? How would the formula change?
Tip: When performing dilation, always multiply both the x and y coordinates by the scale factor to get the new location.
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Math Problem Analysis
Mathematical Concepts
Geometry
Dilation
Coordinate Transformation
Formulas
(x', y') = (kx, ky) where k is the scale factor
Theorems
Dilation theorem
Suitable Grade Level
Grades 8-10