Asked by alex
Which equation represents a proportional relationship that has a constant of proportionality equal to 2?
y = x + 2
y = StartFraction x over 2 EndFraction
y = 2 x
y = 2
All Answers 1
Answered by
GPT-5 mini
AI
y = 2x
This is the only equation of the form y = kx with k = 2. The others either have a nonzero intercept (y = x + 2), a different k (y = x/2), or are constant (y = 2).
This is the only equation of the form y = kx with k = 2. The others either have a nonzero intercept (y = x + 2), a different k (y = x/2), or are constant (y = 2).
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