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Type: Multiple-Choice
Category: Symmetry and Transformations
Level: Grade 9
Standards: HSG-SRT.A.1, HSG-SRT.A.1a
Author: nsharp1
Created: a month ago

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Symmetry and Transformations Question

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Grade 9 Symmetry and Transformations CCSS: HSG-SRT.A.1, HSG-SRT.A.1a

Line [math]l[/math], with equation [math]y = 7x-2[/math], is dilated. The center of dilation is [math](-3,4)[/math]. If the equation of the dilated line is [math]y=7x+23/2[/math], what is the scale factor?
  1. [math]-9/10[/math]
  2. [math]1/2[/math]
  3. [math]-23/4[/math]
  4. Not enough information given.
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