College

Choose the expression that represents a linear expression.

A. [tex]\(-17x^4 - 18x^3 + 19x^2 - 20x + 21\)[/tex]

B. [tex]\(18x^3 + 19x^2 - 20x + 21\)[/tex]

C. [tex]\(23x^2 + 24x - 25\)[/tex]

D. [tex]\(4x + 4\)[/tex]

Answer :

Answer:

D

Step-by-step explanation:

The only linear expression can be the one which is not a quadratic formula. That means no number may be diagonally above the x. The only one that does not have that is D. There is your answer!

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