Math Problem Statement
Solution
The image shows a geometry problem asking to find the scale factor of a dilation on a coordinate grid. To find the scale factor, you need to compare the lengths of corresponding segments of the pre-image and image after the dilation. The dilation here involves two triangles, marked with corresponding points on the graph.
Here's how to approach the problem:
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Identify two corresponding points: For example, compare point D on the smaller triangle with point G on the larger triangle, or any other pair of corresponding points like E and F.
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Measure the distance between these points:
- For point D (pre-image) and point G (image), count the grid units along the x and y axes.
- Do the same for corresponding points in the original and the dilated triangles.
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Find the ratio:
- Use the ratio of the distances between corresponding points to find the scale factor.
- The formula is:
Once you have the distances, simplify the ratio to get the scale factor, which can be expressed as a fraction, improper fraction, or whole number as requested.
Would you like more detailed steps on calculating the exact distances from the image? Here are some related questions:
- What is the distance formula for points on a graph?
- How can you find the scale factor if the dilation is a reduction?
- How do dilations affect the slope of lines in geometry?
- What is the difference between a dilation with a scale factor greater than 1 and less than 1?
- How can you find the center of dilation on a graph?
Tip: Make sure to count the units precisely along the grid lines when measuring distances between corresponding points.
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Math Problem Analysis
Mathematical Concepts
Geometry
Dilations
Scale Factor
Coordinate Plane
Formulas
Scale Factor = Distance between points on the image / Distance between points on the pre-image
Theorems
Dilation Theorem
Similarity in Geometry
Suitable Grade Level
Grades 7-10
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