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Type: Multiple-Choice
Category: Vectors
Level: Grade 11
Standards: HSN-VM.B.5, HSN-VM.B.5a
Author: jjstanley
Last Modified: 5 years ago

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Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a

If you multiply [math]vec{u}=<< 14,10 >>[/math] by a scalar and the result is [math]vec{u}=<< 7,5 >>[/math], what is the scalar?
  1. [math]2[/math]
  2. [math]-5[/math]
  3. [math]-7[/math]
  4. [math]1/2[/math]
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