The equation 2y = 4x + 2 does not represent a direct variation.
Direct variation
This mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other. It is given by:
y ∝ x
y = kx; where k is the constant of variation.
Given the equation:
-4x + 2y = 2
2y = 4x + 2
The equation 2y = 4x + 2 does not represent a direct variation.
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