Which equation does not represent a linear function of x?
A. y = 2x + 8.5
B. y = 3x + 7.5
C. y = -3 + 2x
D. y = 3x² – 2
Which equation does not represent a linear function of x
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Which equation does not represent a linear function of x?
A. y = 2x + 8.5
B. y = 3x + 7.5
C. y = -3 + 2x
D. y = 3x² – 2
The equation that does not represent a linear function of x is:
D. y = 3x² – 2
Explanation: A linear function can be identified by its highest exponent, which is 1 for the variable x. In option D, the term 3x² has an exponent of 2, which means it represents a quadratic function, not a linear one. The other options (A, B, and C) all have x to the first power, making them linear functions.