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QuestionMathematics

Which graph shows a dilation? ○ ○
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Answer

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Step 1:
I'll solve this step by step using the provided guidelines:

Step 2:
: Understand Dilation

A dilation is a transformation that changes the size of a figure while keeping its shape similar. It involves: - A center point of dilation - A scale factor (how much the figure is enlarged or reduced) - Preserving the original shape's proportions

Step 3:
: Analyze the Graphs

Let's examine each graph for characteristics of dilation: - Graph A: Appears to be a rotation - Graph B: Looks like a translation (slide) - Graph C: Shows a clear change in size while maintaining shape proportions

Step 4:
: Confirm Dilation Characteristics

In the graph of C: - The original figure is scaled up - All points move away from or toward a single center point - The shape remains proportionally identical to the original

Step 5:
: Verify Scale Factor

The figure in graph C demonstrates: - Consistent enlargement of all points - Proportional increase in distances from a center point

Final Answer

The key distinguishing feature is that graph C maintains the original shape's proportions while changing its size, which is the defining characteristic of a dilation.