Rayfro0gga6rciad Rayfro0gga6rciad

05-09-2016
Mathematics

Answered

Which of the following is a quadratic function?

Ay = x2 – 81

By = x4 – 64

Cy = x – 9

Dy = x3 – 27

Verified Answer :

Hussain514 Hussain514

14-09-2016

a. y = x^2 – 81 is a quadratic function.
According to the definition:
A quadratic function is defined as a function with the maximum coefficient of 2.Only first option has a coefficient of 2 and the rest have not.

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