Question & Answer

Which equation does not represent a linear function of x?

Which equation does not represent a linear function of x?
A. y = -3/4 x
B. y = x/2
C. y = -3 + 2x
D. y = 3x^2 – 2

1 Answer

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Quizzma TeamMay 11, 2025

The equation that does not represent a linear function of x is:

D. y = 3x² – 2

Explanation: A linear function can be written in the form y = mx + b, where m is the slope and b is the y-intercept. The equation in option D includes x², which makes it a quadratic function, not a linear one.