Question

which of the following is not a linear expression-3x7x - 28x - 13x²

Answer 1

Answer:

D. 3x²

Explanation:

A linear expression is one in which the highest power(exponent) of the variable (x in this case) is 1.

From the given options, the expression that has an exponent that is not 1 is:

$3x^2$

The correct choice is D.