# How do you find the end behavior and state the possible number of x intercepts and the value of the y intercept given #y=-x^3-4x#?

##### 1 Answer

Apr 10, 2018

See below.

#### Explanation:

To find the end behaviour of a polynomial, we only need to look at the degree and leading coefficient of the polynomial. The degree is the highest power of

We now see what happens as

as

as

Coordinates:

Factor:

coordinates:

The graph confirms these findings:

graph{y=-x^3-4x [-16.01, 16.02, -20,20]}