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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]s[/math] passes through the points [math]A(-3,1)[/math] and [math]B(4,4)[/math]. If line [math]s[/math] undergoes a dilation of factor 4, centered at [math](9,7)[/math], what is the equation of the dilated line?
  1. [math]y = 3/7x + 22/7[/math]
  2. [math]y = 3/7 x - 162/7[/math]
  3. [math]y = 1/3x + 8[/math]
  4. [math]y = 3/7x - 2/7[/math]
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