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Two variables, X and Y, are in direct variation if Y = kX for some constant k.

The graph of Y as a function of X will be a straight line through the origin.

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Is y 4x 1 a direct variation?

The equation ( y = 4x + 1 ) is not a direct variation. In a direct variation, the relationship can be expressed in the form ( y = kx ), where ( k ) is a constant and there is no constant term added or subtracted. Since this equation includes the constant term ( +1 ), it does not meet the criteria for direct variation.


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