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20 votes
Which equation shows a proportional relationship?

A) y= 3x - 1
B) y= 5x
C) y= 3x^2
D) y= 1/5x + 10

2 Answers

11 votes
B represents a proportional relationship
User Lawana
by
5.4k points
8 votes

Answer:

B) y = 5x

Explanation:

Proportional relationships are relationships that:

  • follow the form y = kx (k = constant of proportionality)
  • have a y-intercept of 0 (they go through the origin)
  • have a constant of proportionality.

Thus, the equation that follows y = kx is B) y = 5x.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

User Tinyfool
by
5.2k points