Trigonometry Examples

$y = x^{3} - 3 x^{2} - 9 x$

Step 1

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be $0$ or $1$ for each of its variables. In this case, the degree of variable $y$ is $1$ and the degree of variable $x$ is $3$ .

Not Linear