Question

Which of the following is NOT a quadratic function?


Select one:

A. (x+5)(2x+5)

B. x^2−2x−19

C. x^3−2x^2−6x/x

D. x(x^2+4x)

Answer 1

Answer:

Option d is not a qiadratic function.

Step-by-step explanation:

$x( {x}^{2} + 4x) = {x}^{3} + 4 {x}^{2} \\ this \: representsa \: cuic \: function \\ all \: equations \: except \: option \: d \: represents \: a \: quadratic \: function$

Hence the answer is option d) x (x ^ 2 + 4x)

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