nightcorerules5
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  • 25-03-2018
  • Mathematics
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Which of the following equations does NOT represent a proportional relationship

Which of the following equations does NOT represent a proportional relationship class=

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Professor1994 Professor1994
  • 25-03-2018
A proportional relationship has the form: y=mx
The first three options (y=(1/3)x, y=2x, and y=3.4x) have this form. The fourth option is:
y+1=2x
If we isolate y:
y+1-1=2x-1
y=2x-1, it does not have the form y=mx
Answer: The equation that does not represent a proportional relationship is: Fourth option: y+1=2x
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