Which equation represents a direct variation? y = 2x y = x + 4 y = x y =

Question

Makai Wilkins

Mathematics

12 July, 17:50

Which equation represents a direct variation? y = 2x y = x + 4 y = x y =

+2

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Bryce Burch · Answer 1

The first equation is a direct variation. This type of equation has a form that is "y = kx," in which k is the constant. Changing both sides by a common multiple will still lead to the equation being evaluated as true, since the values will both increase by that multiple.